diff --git a/src/web/server/admin/add_user.php b/src/web/server/admin/add_user.php
deleted file mode 100644
index 1411296..0000000
--- a/src/web/server/admin/add_user.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-// header('Content-Type: application/json');
-
-$name = $_POST["name"];
-
-$birthday = $_POST["birthday"];
-if(!is_numeric($birthday)) {
-    echo '생년월일이 숫자가 아닙니다.';
-    return;
-} else if(strlen($birthday) != 6) {
-    echo '6자리 숫자값을 정확히 입력하세요 : YYMMDD (예 : 120131)';
-    return;
-}
-
-
-include "./connect_db.php";
-
-$query = "INSERT INTO afterschool_user(UserID, Name, Birthday) values (null,?,?)";
-$stmt = $db_conn->prepare($query);
-$stmt->bind_param('ss', $name, $birthday);
-$stmt->execute();
-
-if($stmt->affected_rows > 0) {
-    echo("succeed");
-} else {
-    echo "fail";
-}
-
-$db_conn->close();
-
-?>
\ No newline at end of file
diff --git a/src/web/server/admin/delete_test_user_data.php b/src/web/server/admin/delete_test_user_data.php
deleted file mode 100644
index 80b4c35..0000000
--- a/src/web/server/admin/delete_test_user_data.php
+++ /dev/null
@@ -1,11 +0,0 @@
-<?php
-// header('Content-Type: application/json');
-
-include "./connect_db.php";
-
-$query = "DELETE FROM afterschool_record WHERE UserID=31;";
-$result = $db_conn->query($query);
-
-$db_conn->close();
-
-?>
\ No newline at end of file
diff --git a/src/web/server/admin/login.php b/src/web/server/admin/login.php
index ecf4dd3..cba3ce3 100644
--- a/src/web/server/admin/login.php
+++ b/src/web/server/admin/login.php
@@ -48,7 +48,7 @@ function get_admin_id($adminName) {
 
 	$query = "
 		SELECT AdminID
-		FROM moty_admin
+		FROM admin
 		WHERE Name = ?
 	";
 	$stmt = $db_conn->prepare($query);
@@ -69,7 +69,7 @@ function login($adminName, $password) {
 
 	$query = "
 		SELECT AdminID, AccountType, ActivateStatus
-		FROM moty_admin
+		FROM admin
 		WHERE Name = ? AND Password = PASSWORD(?)
 	";
 	$stmt = $db_conn->prepare($query);
diff --git a/src/web/server/admin/maestro_registered_list.php b/src/web/server/admin/maestro_registered_list.php
index ec5a63f..6d5bf53 100644
--- a/src/web/server/admin/maestro_registered_list.php
+++ b/src/web/server/admin/maestro_registered_list.php
@@ -30,7 +30,7 @@ function get_maestro_list() {
 
 	$query = "
 		SELECT MaestroID, Name, AccountType
-		FROM moty_maestro
+		FROM maestro
 		WHERE ActivateStatus=0
 		ORDER BY MaestroID DESC
 	";
@@ -56,7 +56,7 @@ function get_maestro_list_by_name($maestroName) {
 
 	$query = "
 		SELECT MaestroID, Name, AccountType
-		FROM moty_maestro
+		FROM maestro
 		WHERE Name LIKE CONCAT('%', ?, '%') AND ActivateStatus=0
 		ORDER BY MaestroID DESC
 	";
diff --git a/src/web/server/admin/maestro_upgrade_list.php b/src/web/server/admin/maestro_upgrade_list.php
index 2c6f080..894d652 100644
--- a/src/web/server/admin/maestro_upgrade_list.php
+++ b/src/web/server/admin/maestro_upgrade_list.php
@@ -30,7 +30,7 @@ function get_maestro_upgrade_list() {
 
 	$query = "
 		SELECT U.MaestroUpgradeID, U.MaestroID, M.Name, U.RegisteredAccountType, U.RequestedAccountType, U.RequestedDateTime, U.Status
-		FROM moty_maestro_upgrade U, moty_maestro M
+		FROM maestro_upgrade U, maestro M
 		WHERE U.Status < 2 AND U.MaestroID = M.MaestroID
 		ORDER BY U.MaestroUpgradeID DESC
 	";
@@ -60,7 +60,7 @@ function get_maestro_update_list_by_name($searchMaestroName) {
 
 	$query = "
 		SELECT U.MaestroUpgradeID, U.MaestroID, M.Name, U.RegisteredAccountType, U.RequestedAccountType, U.RequestedDateTime, U.Status
-		FROM moty_maestro_upgrade U, moty_maestro M
+		FROM maestro_upgrade U, maestro M
 		WHERE M.Name LIKE CONCAT('%', ?, '%') AND U.MaestroID = M.MaestroID
 		ORDER BY U.MaestroUpgradeID DESC
 	";
diff --git a/src/web/server/admin/register_maestro.php b/src/web/server/admin/register_maestro.php
index 503e9d9..1fb275e 100644
--- a/src/web/server/admin/register_maestro.php
+++ b/src/web/server/admin/register_maestro.php
@@ -38,7 +38,7 @@ function register_maestro($maestroID) {
 	global $db_conn;
 
 	$query = "
-		UPDATE moty_maestro
+		UPDATE maestro
 		SET ActivateStatus = 1, AvailableActivateDateTime = DATE_ADD(NOW(), INTERVAL 1 YEAR)
 		WHERE MaestroID = ?
 	";
@@ -53,7 +53,7 @@ function add_maestro_test_player($maestroID) {
 	global $db_conn;
 
 	$query = "
-		INSERT INTO moty_player (MaestroID, Name, EnterCode, AccountType)
+		INSERT INTO player (MaestroID, Name, EnterCode, AccountType)
 		VALUES (?, '마에스트로', '', 1)
 	";
 	$stmt = $db_conn->prepare($query);
@@ -66,7 +66,7 @@ function get_maestro_test_player($maestroID) {
 
 	$query = "
 		SELECT PlayerID
-		FROM moty_player
+		FROM player
 		WHERE MaestroID = ? AND AccountType = 1
 	";
 	$stmt = $db_conn->prepare($query);
@@ -83,7 +83,7 @@ function set_maestro_test_player($maestroID, $playerID) {
 	global $db_conn;
 
 	$query = "
-		UPDATE moty_maestro
+		UPDATE maestro
 		SET MaestroTestID = ?
 		WHERE MaestroID = ?
 	";
diff --git a/src/web/server/admin/upgrade_maestro.php b/src/web/server/admin/upgrade_maestro.php
index 3bbd86f..613559d 100644
--- a/src/web/server/admin/upgrade_maestro.php
+++ b/src/web/server/admin/upgrade_maestro.php
@@ -26,7 +26,7 @@ function upgrade_maestro($maestroID, $newAccountType) {
 	global $db_conn;
 
 	$query = "
-		UPDATE moty_maestro
+		UPDATE maestro
 		SET AccountType = ?, ActivateStatus = 1, AvailableActivateDateTime = DATE_ADD(NOW(), INTERVAL 1 YEAR)
 		WHERE MaestroID = ?;
 	";
@@ -39,7 +39,7 @@ function change_upgrade_request_status_to_close($maestroID) {
 	global $db_conn;
 
 	$query = "
-		UPDATE moty_maestro_upgrade
+		UPDATE maestro_upgrade
 		SET Status = 2
 		WHERE MaestroID = ? AND Status = 1;
 	";
@@ -52,7 +52,7 @@ function change_upgrade_request_status_to_applied($maestroUpgradeID) {
 	global $db_conn;
 
 	$query = "
-		UPDATE moty_maestro_upgrade
+		UPDATE maestro_upgrade
 		SET Status = 3
 		WHERE MaestroUpgradeID = ?
 	";
diff --git a/src/web/server/app/activate_app.php b/src/web/server/app/activate_app.php
index d15b8ef..af804ab 100644
--- a/src/web/server/app/activate_app.php
+++ b/src/web/server/app/activate_app.php
@@ -21,7 +21,7 @@ function activate_app($maestroID, $appID) {
 	global $db_conn;
 
 	$query = "
-		INSERT INTO moty_active_app (MaestroID, AppID)
+		INSERT INTO active_app (MaestroID, AppID)
 		VALUES (?, ?);
 	";
 	$stmt = $db_conn->prepare($query);
@@ -35,7 +35,7 @@ function get_app_name($appID) {
 
 	$query = "
 		SELECT AppName, KoreanName
-		FROM moty_app
+		FROM app
 		WHERE AppID = ?
 	";
 	$stmt = $db_conn->prepare($query);
diff --git a/src/web/server/app/deactivate_app.php b/src/web/server/app/deactivate_app.php
index 8b19977..2eec443 100644
--- a/src/web/server/app/deactivate_app.php
+++ b/src/web/server/app/deactivate_app.php
@@ -21,7 +21,7 @@ function deactivate_app($maestroID, $appID) {
 	global $db_conn;
 
 	$query = "
-		DELETE FROM moty_active_app
+		DELETE FROM active_app
 		WHERE MaestroID = ? AND AppID = ?;
 	";
 	$stmt = $db_conn->prepare($query);
@@ -35,7 +35,7 @@ function get_app_name($appID) {
 
 	$query = "
 		SELECT AppName, KoreanName
-		FROM moty_app
+		FROM app
 		WHERE AppID = ?
 	";
 	$stmt = $db_conn->prepare($query);
diff --git a/src/web/server/app/how_to_play.php b/src/web/server/app/how_to_play.php
index e8c019f..2ce27b1 100644
--- a/src/web/server/app/how_to_play.php
+++ b/src/web/server/app/how_to_play.php
@@ -23,7 +23,7 @@ function get_how_to_play($app_id) {
 
 	$query = "
 		SELECT HowToPlay
-		FROM moty_app
+		FROM app
 		WHERE AppID = ?;
 	";
 	$stmt = $db_conn->prepare($query);
diff --git a/src/web/server/app/menu_active_app_list.php b/src/web/server/app/menu_active_app_list.php
index 16110c8..20fa630 100644
--- a/src/web/server/app/menu_active_app_list.php
+++ b/src/web/server/app/menu_active_app_list.php
@@ -28,8 +28,8 @@ function get_mouse_app_list($maestro_id) {
 
 	$query = "
 		SELECT A.AppID, A.AppName, A.KoreanName, A.AppType
-		FROM moty_app AS A
-		INNER JOIN moty_active_app AS AA ON A.AppID = AA.AppID AND A.AppType = 100 AND AA.MaestroID=?";
+		FROM app AS A
+		INNER JOIN active_app AS AA ON A.AppID = AA.AppID AND A.AppType = 100 AND AA.MaestroID=?";
 	$stmt = $db_conn->prepare($query);
 	$stmt->bind_param("i", $maestro_id);
 	$stmt->execute();
@@ -53,8 +53,8 @@ function get_typing_practice_app_count($maestro_id) {
 
 	$query = "
 		SELECT COUNT(*)
-		FROM moty_app AS A
-		INNER JOIN moty_active_app AS AA ON A.AppID = AA.AppID AND A.AppType <= 2 AND AA.MaestroID=?";
+		FROM app AS A
+		INNER JOIN active_app AS AA ON A.AppID = AA.AppID AND A.AppType <= 2 AND AA.MaestroID=?";
 	$stmt = $db_conn->prepare($query);
 	$stmt->bind_param("i", $maestro_id);
 	$stmt->execute();
@@ -70,8 +70,8 @@ function get_typing_test_app_count($maestro_id) {
 
 	$query = "
 		SELECT COUNT(*)
-		FROM moty_app AS A
-		INNER JOIN moty_active_app AS AA ON A.AppID = AA.AppID AND A.AppType > 10 AND A.AppType <= 12 AND AA.MaestroID=?";
+		FROM app AS A
+		INNER JOIN active_app AS AA ON A.AppID = AA.AppID AND A.AppType > 10 AND A.AppType <= 12 AND AA.MaestroID=?";
 	$stmt = $db_conn->prepare($query);
 	$stmt->bind_param("i", $maestro_id);
 	$stmt->execute();
@@ -87,8 +87,8 @@ function get_typing_app_list($maestro_id) {
 
 	$query = "
 		SELECT A.AppID, A.AppName, A.KoreanName, A.AppType
-		FROM moty_app AS A
-		INNER JOIN moty_active_app AS AA ON A.AppID = AA.AppID AND A.AppType = 50 AND AA.MaestroID=?";
+		FROM app AS A
+		INNER JOIN active_app AS AA ON A.AppID = AA.AppID AND A.AppType = 50 AND AA.MaestroID=?";
 	$stmt = $db_conn->prepare($query);
 	$stmt->bind_param("i", $maestro_id);
 	$stmt->execute();
diff --git a/src/web/server/app/menu_active_typing_practice_app_list.php b/src/web/server/app/menu_active_typing_practice_app_list.php
index 12e837a..cc1345c 100644
--- a/src/web/server/app/menu_active_typing_practice_app_list.php
+++ b/src/web/server/app/menu_active_typing_practice_app_list.php
@@ -26,8 +26,8 @@ function get_active_typing_practice_app_list($maestro_id, $type) {
 
 	$query = "
 		SELECT A.AppID, A.AppName, A.KoreanName
-		FROM moty_app AS A
-		INNER JOIN moty_active_app AS AA
+		FROM app AS A
+		INNER JOIN active_app AS AA
 		ON A.AppID = AA.AppID AND AA.MaestroID = ? AND A.AppType = ?
 		ORDER BY A.AppID ASC";
 	$stmt = $db_conn->prepare($query);
diff --git a/src/web/server/app/menu_active_typing_test_app_list.php b/src/web/server/app/menu_active_typing_test_app_list.php
index d1200b4..901db8e 100644
--- a/src/web/server/app/menu_active_typing_test_app_list.php
+++ b/src/web/server/app/menu_active_typing_test_app_list.php
@@ -26,8 +26,8 @@ function get_active_typing_practice_app_list($maestro_id, $type) {
 
 	$query = "
 		SELECT A.AppID, A.AppName, A.KoreanName
-		FROM moty_app AS A
-		INNER JOIN moty_active_app AS AA
+		FROM app AS A
+		INNER JOIN active_app AS AA
 		ON A.AppID = AA.AppID AND AA.MaestroID = ? AND A.AppType = ?
 		ORDER BY A.AppID ASC";
 	$stmt = $db_conn->prepare($query);
diff --git a/src/web/server/app/mouse_app_list.php b/src/web/server/app/mouse_app_list.php
index 6297e9c..3ae1d1e 100644
--- a/src/web/server/app/mouse_app_list.php
+++ b/src/web/server/app/mouse_app_list.php
@@ -27,7 +27,7 @@ function get_mouse_app_list() {
 	global $db_conn;
 
 	$query = "
-		SELECT AppID, AppName, KoreanName FROM moty_app
+		SELECT AppID, AppName, KoreanName FROM app
 		WHERE AppType=100
 		ORDER BY AppID ASC
 	";
@@ -51,8 +51,8 @@ function get_activated_mouse_app_list($maestroID) {
 
 	$query = "
 		SELECT A.AppID
-		FROM moty_app AS A
-		INNER JOIN moty_active_app AS AA ON A.AppID = AA.AppID AND A.AppType = 100 AND AA.MaestroID=?"
+		FROM app AS A
+		INNER JOIN active_app AS AA ON A.AppID = AA.AppID AND A.AppType = 100 AND AA.MaestroID=?"
 	;
 	$stmt = $db_conn->prepare($query);
 	$stmt->bind_param("i", $maestroID);
diff --git a/src/web/server/app/typing_app_list.php b/src/web/server/app/typing_app_list.php
index 0e98ed7..3f13db0 100644
--- a/src/web/server/app/typing_app_list.php
+++ b/src/web/server/app/typing_app_list.php
@@ -27,7 +27,7 @@ function get_typing_app_list() {
 	global $db_conn;
 
 	$query = "
-		SELECT AppID, AppName, KoreanName FROM moty_app
+		SELECT AppID, AppName, KoreanName FROM app
 		WHERE AppType < 100
 		ORDER BY AppID ASC
 	";
@@ -51,8 +51,8 @@ function get_activated_typing_app_list($maestroID) {
 
 	$query = "
 		SELECT A.AppID
-		FROM moty_app AS A
-		INNER JOIN moty_active_app AS AA ON A.AppID = AA.AppID AND A.AppType < 100 AND AA.MaestroID=?"
+		FROM app AS A
+		INNER JOIN active_app AS AA ON A.AppID = AA.AppID AND A.AppType < 100 AND AA.MaestroID=?"
 	;
 	$stmt = $db_conn->prepare($query);
 	$stmt->bind_param("i", $maestroID);
diff --git a/src/web/server/maestro/add_maestro.php b/src/web/server/maestro/add_maestro.php
index 83b7d93..2351dd6 100644
--- a/src/web/server/maestro/add_maestro.php
+++ b/src/web/server/maestro/add_maestro.php
@@ -46,7 +46,7 @@ function has_maestro_name($maestroName) {
 
 	$query = "
 		SELECT MaestroID
-		FROM moty_maestro
+		FROM maestro
 		WHERE Name = ?
 	";
 	$stmt = $db_conn->prepare($query);
@@ -64,7 +64,7 @@ function add_maestro($maestro_name, $password, $email, $account_type) {
 	global $db_conn;
 
 	$query = "
-		INSERT INTO moty_maestro (Name, Password, Email, AccountType, ActivateStatus, PlayerCount, AcceptClausesDateTime, MaestroTestID)
+		INSERT INTO maestro (Name, Password, Email, AccountType, ActivateStatus, PlayerCount, AcceptClausesDateTime, MaestroTestID)
 		VALUES (?, PASSWORD(?), ?, ?, 0, 0, NOW(), -1)";
 	$stmt = $db_conn->prepare($query);
 	$stmt->bind_param("sssi", $maestro_name, $password, $email, $account_type);
diff --git a/src/web/server/maestro/check_id.php b/src/web/server/maestro/check_id.php
index f4eca21..e174fcd 100644
--- a/src/web/server/maestro/check_id.php
+++ b/src/web/server/maestro/check_id.php
@@ -23,7 +23,7 @@ exit;
 function get_maestro_id($maestro_name) {
 	global $db_conn;
 
-	$query = "SELECT MaestroID FROM moty_maestro WHERE Name=?";
+	$query = "SELECT MaestroID FROM maestro WHERE Name=?";
 	$stmt = $db_conn->prepare($query);
 	$stmt->bind_param("s", $maestro_name);
 	$stmt->execute();
diff --git a/src/web/server/maestro/delete_test_player_record.php b/src/web/server/maestro/delete_test_player_record.php
index 0e23617..b226422 100644
--- a/src/web/server/maestro/delete_test_player_record.php
+++ b/src/web/server/maestro/delete_test_player_record.php
@@ -27,7 +27,7 @@ function get_maestro_test_player_id($maestro_id) {
 
 	$query = "
 		SELECT MaestroTestID
-		FROM moty_maestro
+		FROM maestro
 		WHERE MaestroID = ?
 	";
 	$stmt = $db_conn->prepare($query);
@@ -48,7 +48,7 @@ function delete_maestro_test_player_record($player_id) {
 
 	$query = "
 		DELETE
-		FROM moty_best_record
+		FROM best_record
 		WHERE PlayerID = ?
 	";
 	$stmt = $db_conn->prepare($query);
diff --git a/src/web/server/maestro/login.php b/src/web/server/maestro/login.php
index 99c8ae7..5878cdc 100644
--- a/src/web/server/maestro/login.php
+++ b/src/web/server/maestro/login.php
@@ -57,7 +57,7 @@ function get_maestro_id($maestroName) {
 
 	$query = "
 		SELECT MaestroID
-		FROM moty_maestro
+		FROM maestro
 		WHERE Name = ?
 	";
 	$stmt = $db_conn->prepare($query);
@@ -78,7 +78,7 @@ function login($maestroName, $password) {
 
 	$query = "
 		SELECT MaestroID, AccountType, ActivateStatus, AvailableActivateDateTime
-		FROM moty_maestro
+		FROM maestro
 		WHERE Name = ? AND Password = PASSWORD(?)
 	";
 	$stmt = $db_conn->prepare($query);
diff --git a/src/web/server/maestro/maestro_experience_account.php b/src/web/server/maestro/maestro_experience_account.php
index 4fb6edb..b436354 100644
--- a/src/web/server/maestro/maestro_experience_account.php
+++ b/src/web/server/maestro/maestro_experience_account.php
@@ -38,7 +38,7 @@ function get_maestro_experience_id() {
 
 	$query = "
 		SELECT MaestroID
-		FROM moty_maestro
+		FROM maestro
 		WHERE AccountType = 101
 	";
 	$stmt = $db_conn->prepare($query);
@@ -59,7 +59,7 @@ function get_maestro_test_player_id($maestro_id) {
 
 	$query = "
 		SELECT MaestroTestID
-		FROM moty_maestro
+		FROM maestro
 		WHERE MaestroID = ?
 	";
 	$stmt = $db_conn->prepare($query);
@@ -80,7 +80,7 @@ function get_maestro_test_player_name($player_id) {
 
 	$query = "
 		SELECT Name
-		FROM moty_player
+		FROM player
 		WHERE PlayerID = ?
 	";
 	$stmt = $db_conn->prepare($query);
@@ -106,7 +106,7 @@ function remove_maestro_sample_player_data($maestro_id) {
 
 	$query = "
 		DELETE
-		FROM moty_player
+		FROM player
 		WHERE MaestroID = ? AND AccountType = 0
 	";
 	$stmt = $db_conn->prepare($query);
@@ -127,7 +127,7 @@ function insert_maestro_sample_player_data($i, $maestro_id, $player) {
 	global $db_conn;
 
 	$query = "
-		INSERT INTO moty_player (MaestroID, Name, EnterCode, AccountType)
+		INSERT INTO player (MaestroID, Name, EnterCode, AccountType)
 		VALUES (?, ?, ?, ?)
 	";
 	$stmt = $db_conn->prepare($query);
@@ -172,7 +172,7 @@ function count_registered_player($maestroID) {
 
 	$query = "
 		SELECT COUNT(PlayerID)
-		FROM moty_player
+		FROM player
 		WHERE MaestroID = ? AND AccountType = 0
 	";
 	$stmt = $db_conn->prepare($query);
@@ -190,7 +190,7 @@ function update_count_registered_player($maestroID, $countPlayer) {
 	global $db_conn;
 
 	$query = "
-		UPDATE moty_maestro
+		UPDATE maestro
 		SET PlayerCount = ?
 		WHERE MaestroID = ?
 	";
diff --git a/src/web/server/maestro/maestro_info.php b/src/web/server/maestro/maestro_info.php
index 29fea0d..c43d399 100644
--- a/src/web/server/maestro/maestro_info.php
+++ b/src/web/server/maestro/maestro_info.php
@@ -27,7 +27,7 @@ function get_maestro_info($maestroID) {
 
 	$query = "
 		SELECT Name, Email, AccountType, PlayerCount
-		FROM moty_maestro
+		FROM maestro
 		WHERE MaestroID = ?
 	";
 	$stmt = $db_conn->prepare($query);
diff --git a/src/web/server/maestro/maestro_test_player.php b/src/web/server/maestro/maestro_test_player.php
index 1fdb8e4..efdc439 100644
--- a/src/web/server/maestro/maestro_test_player.php
+++ b/src/web/server/maestro/maestro_test_player.php
@@ -30,7 +30,7 @@ function get_maestro_test_player_id($maestro_id) {
 
 	$query = "
 		SELECT AccountType, MaestroTestID
-		FROM moty_maestro
+		FROM maestro
 		WHERE MaestroID = ?
 	";
 	$stmt = $db_conn->prepare($query);
@@ -53,7 +53,7 @@ function get_maestro_test_player_info($player_id) {
 
 	$query = "
 		SELECT Name, AccountType
-		FROM moty_player
+		FROM player
 		WHERE PlayerID = ?
 	";
 	$stmt = $db_conn->prepare($query);
diff --git a/src/web/server/maestro/request_upgrade_maestro.php b/src/web/server/maestro/request_upgrade_maestro.php
index 3596af7..f4ddf53 100644
--- a/src/web/server/maestro/request_upgrade_maestro.php
+++ b/src/web/server/maestro/request_upgrade_maestro.php
@@ -35,7 +35,7 @@ function count_maestro_upgrade($maestroID) {
 
 	$query = "
 		SELECT COUNT(MaestroID)
-		FROM moty_maestro_upgrade
+		FROM maestro_upgrade
 		WHERE MaestroID = ?
 	";
 	$stmt = $db_conn->prepare($query);
@@ -53,7 +53,7 @@ function add_maestro_update($maestroID, $registeredAcountType, $newAccountType)
 	global $db_conn;
 
 	$query = "
-		INSERT INTO moty_maestro_upgrade (RegisteredAccountType, RequestedAccountType, RequestedDateTime, Status, MaestroID)
+		INSERT INTO maestro_upgrade (RegisteredAccountType, RequestedAccountType, RequestedDateTime, Status, MaestroID)
 		VALUES (?, ?, NOW(), 1, ?);
 	";
 	$stmt = $db_conn->prepare($query);
diff --git a/src/web/server/maestro/update_maestro_info.php b/src/web/server/maestro/update_maestro_info.php
index b0d5478..5cb1d18 100644
--- a/src/web/server/maestro/update_maestro_info.php
+++ b/src/web/server/maestro/update_maestro_info.php
@@ -19,7 +19,7 @@ function update_maestro_info($maestroID, $maestroName, $email) {
 	global $db_conn;
 
 	$query = "
-		UPDATE moty_maestro
+		UPDATE maestro
 		SET Name = ?, Email = ?
 		WHERE MaestroID = ?
 	";
diff --git a/src/web/server/maestro/update_maestro_password.php b/src/web/server/maestro/update_maestro_password.php
index 38387f3..254d565 100644
--- a/src/web/server/maestro/update_maestro_password.php
+++ b/src/web/server/maestro/update_maestro_password.php
@@ -27,7 +27,7 @@ function maestro_registered_password($maestro_id, $registeredPW) {
 
 	$query = "
 		SELECT COUNT(MaestroID)
-		FROM moty_maestro
+		FROM maestro
 		WHERE MaestroID = ? AND Password = PASSWORD(?)
 	";
 	$stmt = $db_conn->prepare($query);
@@ -45,7 +45,7 @@ function update_maestro_password($maestroID, $newPW) {
 	global $db_conn;
 
 	$query = "
-		UPDATE moty_maestro
+		UPDATE maestro
 		SET Password = PASSWORD(?)
 		WHERE MaestroID = ?
 	";
diff --git a/src/web/server/player/add_player.php b/src/web/server/player/add_player.php
index 3f4615f..28d0686 100644
--- a/src/web/server/player/add_player.php
+++ b/src/web/server/player/add_player.php
@@ -57,7 +57,7 @@ function has_player_name($maestroID, $playerName, $enterCode) {
 
 	$query = "
 		SELECT PlayerID
-		FROM moty_player
+		FROM player
 		WHERE MaestroID = ? AND Name = ? AND EnterCode = ?
 	";
 	$stmt = $db_conn->prepare($query);
@@ -76,7 +76,7 @@ function get_maestro_account_type($maestroID) {
 
 	$query = "
 		SELECT AccountType
-		FROM moty_maestro
+		FROM maestro
 		WHERE MaestroID = ?
 	";
 	$stmt = $db_conn->prepare($query);
@@ -95,7 +95,7 @@ function get_player_count($maestroID) {
 
 	$query = "
 		SELECT PlayerCount
-		FROM moty_maestro
+		FROM maestro
 		WHERE MaestroID = ?
 	";
 	$stmt = $db_conn->prepare($query);
@@ -113,7 +113,7 @@ function add_player($maestroID, $playerName, $enterCode) {
 	global $db_conn;
 
 	$query = "
-		INSERT INTO moty_player (MaestroID, Name, EnterCode)
+		INSERT INTO player (MaestroID, Name, EnterCode)
 		VALUES (?, ?, ?)
 	";
 	$stmt = $db_conn->prepare($query);
@@ -125,7 +125,7 @@ function increase_player_count($maestroID, $count) {
 	global $db_conn;
 
 	$query = "
-		UPDATE moty_maestro
+		UPDATE maestro
 		SET PlayerCount = PlayerCount + ?
 		WHERE MaestroID = ?
 	";
@@ -139,7 +139,7 @@ function count_registered_player($maestroID) {
 
 	$query = "
 		SELECT COUNT(PlayerID)
-		FROM moty_player
+		FROM player
 		WHERE MaestroID = ? AND AccountType = 0
 	";
 	$stmt = $db_conn->prepare($query);
@@ -157,7 +157,7 @@ function update_count_registered_player($maestroID, $countPlayer) {
 	global $db_conn;
 
 	$query = "
-		UPDATE moty_maestro
+		UPDATE maestro
 		SET PlayerCount = ?
 		WHERE MaestroID = ?
 	";
diff --git a/src/web/server/player/delete_player.php b/src/web/server/player/delete_player.php
index c32facb..0936633 100644
--- a/src/web/server/player/delete_player.php
+++ b/src/web/server/player/delete_player.php
@@ -37,7 +37,7 @@ function deletePlayer($maestroID, $playerID) {
 	global $db_conn;
 
 	$query = "
-		DELETE FROM moty_best_record
+		DELETE FROM best_record
 		WHERE MaestroID = ? AND PlayerID = ?
 	";
 	$stmt = $db_conn->prepare($query);
@@ -50,7 +50,7 @@ function deletePlayer($maestroID, $playerID) {
 	// }
 
 	$query = "
-		DELETE FROM moty_player
+		DELETE FROM player
 		WHERE MaestroID = ? AND PlayerID = ?
 	";
 	$stmt = $db_conn->prepare($query);
@@ -68,7 +68,7 @@ function countPlayerID($maestroID, $playerID) {
 
 	$query = "
 		SELECT COUNT(PlayerID)
-		FROM moty_player
+		FROM player
 		WHERE MaestroID = ? AND PlayerID = ?
 	";
 	$stmt = $db_conn->prepare($query);
@@ -87,7 +87,7 @@ function countPlayerRecord($maestroID, $playerID) {
 
 	$query = "
 		SELECT COUNT(PlayerID)
-		FROM moty_best_record
+		FROM best_record
 		WHERE MaestroID = ? AND PlayerID = ?
 	";
 	$stmt = $db_conn->prepare($query);
@@ -105,7 +105,7 @@ function decrease_player_count($maestroID, $count) {
 	global $db_conn;
 
 	$query = "
-		UPDATE moty_maestro
+		UPDATE maestro
 		SET PlayerCount = PlayerCount - ?
 		WHERE MaestroID = ?
 	";
@@ -119,7 +119,7 @@ function count_registered_player($maestroID) {
 
 	$query = "
 		SELECT COUNT(PlayerID)
-		FROM moty_player
+		FROM player
 		WHERE MaestroID = ? AND AccountType = 0
 	";
 	$stmt = $db_conn->prepare($query);
@@ -137,7 +137,7 @@ function update_count_registered_player($maestroID, $countPlayer) {
 	global $db_conn;
 
 	$query = "
-		UPDATE moty_maestro
+		UPDATE maestro
 		SET PlayerCount = ?
 		WHERE MaestroID = ?
 	";
diff --git a/src/web/server/player/edit_player.php b/src/web/server/player/edit_player.php
index bcaed48..fa3e571 100644
--- a/src/web/server/player/edit_player.php
+++ b/src/web/server/player/edit_player.php
@@ -42,7 +42,7 @@ exit;
 function hasSamePlayerData($maestroID, $playerID, $playerName, $enterCode) {
 	global $db_conn;
 
-	$query = "SELECT COUNT(PlayerID) FROM moty_player WHERE MaestroID=? AND PlayerID<>? AND Name=? AND EnterCode=?";
+	$query = "SELECT COUNT(PlayerID) FROM player WHERE MaestroID=? AND PlayerID<>? AND Name=? AND EnterCode=?";
 	$stmt = $db_conn->prepare($query);
 	$stmt->bind_param("iiss", $maestroID, $playerID, $playerName, $enterCode);
 	$stmt->execute();
@@ -57,7 +57,7 @@ function hasSamePlayerData($maestroID, $playerID, $playerName, $enterCode) {
 function editPlayer($maestroID, $playerID, $playerName, $enterCode) {
 	global $db_conn;
 
-	$query = "UPDATE moty_player SET Name=?, EnterCode=? WHERE MaestroID=? AND PlayerID=?";
+	$query = "UPDATE player SET Name=?, EnterCode=? WHERE MaestroID=? AND PlayerID=?";
 	$stmt = $db_conn->prepare($query);
 	$stmt->bind_param("ssii", $playerName, $enterCode, $maestroID, $playerID);
 	$stmt->execute();
@@ -66,7 +66,7 @@ function editPlayer($maestroID, $playerID, $playerName, $enterCode) {
 function hasPlayerName($maestroID, $playerName, $enterCode) {
 	global $db_conn;
 
-	$query = "SELECT PlayerID FROM moty_player WHERE MaestroID=? AND Name=? AND EnterCode=?";
+	$query = "SELECT PlayerID FROM player WHERE MaestroID=? AND Name=? AND EnterCode=?";
 	$stmt = $db_conn->prepare($query);
 	$stmt->bind_param("iss", $maestroID, $playerName, $enterCode);
 	$stmt->execute();
diff --git a/src/web/server/player/login.php b/src/web/server/player/login.php
index d7b58c5..8b63a7a 100644
--- a/src/web/server/player/login.php
+++ b/src/web/server/player/login.php
@@ -44,7 +44,7 @@ function get_maestro_id($maestroName) {
 
 	$query = "
 		SELECT MaestroID, AccountType
-		FROM moty_maestro
+		FROM maestro
 		WHERE Name = ?
 	";
 	$stmt = $db_conn->prepare($query);
@@ -67,7 +67,7 @@ function get_login_data($maestroID, $name, $enterCode) {
 
 	$query = "
 		SELECT PlayerID, AccountType
-		FROM moty_player
+		FROM player
 		WHERE MaestroID = ? AND Name = ? AND EnterCode = ?
 	";
 	$stmt = $db_conn->prepare($query);
diff --git a/src/web/server/player/player_experience_account.php b/src/web/server/player/player_experience_account.php
index dc688df..c9df23a 100644
--- a/src/web/server/player/player_experience_account.php
+++ b/src/web/server/player/player_experience_account.php
@@ -30,7 +30,7 @@ function get_experience_maestro_info() {
 
 	$query = "
 		SELECT MaestroID, MaestroTestID
-		FROM moty_maestro
+		FROM maestro
 		WHERE AccountType = 100
 	";
 	$stmt = $db_conn->prepare($query);
@@ -53,7 +53,7 @@ function get_maestro_test_player_info($maestro_id) {
 
 	$query = "
 		SELECT PlayerID, Name, AccountType
-		FROM moty_player
+		FROM player
 		WHERE MaestroID = ?
 	";
 	$stmt = $db_conn->prepare($query);
diff --git a/src/web/server/player/registered_player_count.php b/src/web/server/player/registered_player_count.php
index 4664b44..e4b0e9b 100644
--- a/src/web/server/player/registered_player_count.php
+++ b/src/web/server/player/registered_player_count.php
@@ -24,7 +24,7 @@ function getPlayerCount($maestroID) {
 
 	$query = "
 		SELECT COUNT(PlayerID)
-		FROM moty_player
+		FROM player
 		WHERE MaestroID = ? AND AccountType <> 1
 	";
 	$stmt = $db_conn->prepare($query);
diff --git a/src/web/server/player/registered_player_list.php b/src/web/server/player/registered_player_list.php
index 696dcb3..cf609e3 100644
--- a/src/web/server/player/registered_player_list.php
+++ b/src/web/server/player/registered_player_list.php
@@ -25,7 +25,7 @@ function get_player_list_page($maestroID, $startNo, $endNo) {
 	global $db_conn;
 
 	$query = "
-		SELECT PlayerID, Name, EnterCode FROM moty_player
+		SELECT PlayerID, Name, EnterCode FROM player
 		WHERE MaestroID = ? AND AccountType <> 1
 		ORDER BY PlayerID DESC
 		LIMIT ?, 10;
diff --git a/src/web/server/player/search_player_count.php b/src/web/server/player/search_player_count.php
index eebc992..a24430c 100644
--- a/src/web/server/player/search_player_count.php
+++ b/src/web/server/player/search_player_count.php
@@ -24,7 +24,7 @@ function getPlayerCount($maestroID, $playerName) {
 
 	$query = "
 		SELECT COUNT(PlayerID)
-		FROM moty_player
+		FROM player
 		WHERE MaestroID = ? AND AccountType <> 1 AND Name LIKE CONCAT('%', ?, '%')
 	";
 	$stmt = $db_conn->prepare($query);
diff --git a/src/web/server/player/search_player_list.php b/src/web/server/player/search_player_list.php
index 6d50cc5..4e2a1a0 100644
--- a/src/web/server/player/search_player_list.php
+++ b/src/web/server/player/search_player_list.php
@@ -26,7 +26,7 @@ function get_player_list_page($maestroID, $playerName, $startNo, $endNo) {
 	global $db_conn;
 
 	$query = "
-		SELECT PlayerID, Name, EnterCode FROM moty_player
+		SELECT PlayerID, Name, EnterCode FROM player
 		WHERE MaestroID = ? AND AccountType <> 1 AND Name LIKE CONCAT('%', ?, '%')
 		ORDER BY PlayerID DESC
 		LIMIT ?, 10;
diff --git a/src/web/server/record/history_record.php b/src/web/server/record/history_record.php
index 97260c5..9afee7e 100644
--- a/src/web/server/record/history_record.php
+++ b/src/web/server/record/history_record.php
@@ -25,8 +25,8 @@ function get_history_record($maestro_id, $app_id, $player_id, $date) {
 
 	$query = "
 		SELECT DATE(BR.RecordDateTime) AS Date, MAX(BR.BestRecord) AS HighScore, AA.AppName AS AppName
-		FROM moty_best_record BR
-	    INNER JOIN moty_app AS AA
+		FROM best_record BR
+	    INNER JOIN app AS AA
 	    	ON BR.MaestroID = ? AND BR.PlayerID = ? AND DATE(BR.RecordDateTime) <= ? AND BR.AppID = ? AND BR.AppID = AA.AppID
 		GROUP BY DATE(BR.RecordDateTime)
 		ORDER BY BR.RecordDateTime DESC
diff --git a/src/web/server/record/ranking_record_day.php b/src/web/server/record/ranking_record_day.php
index 273d1b6..2afb2b5 100644
--- a/src/web/server/record/ranking_record_day.php
+++ b/src/web/server/record/ranking_record_day.php
@@ -25,7 +25,7 @@ function get_ranking_record_day($maestro_id, $date, $app_id) {
 
 	$query = "
 		SELECT BR.playerID As PlayerID, U.Name AS Name, MAX(BR.BestRecord) AS HighScore
-		FROM moty_best_record BR, moty_player U
+		FROM best_record BR, player U
 		WHERE BR.MaestroID = ? AND BR.playerID = U.playerID AND DATE(BR.RecordDateTime) = ? AND AppID = ?
 		GROUP BY BR.playerID
 		ORDER BY max(BR.BestRecord) DESC;
diff --git a/src/web/server/record/ranking_record_hour.php b/src/web/server/record/ranking_record_hour.php
index 2f998da..9623f62 100644
--- a/src/web/server/record/ranking_record_hour.php
+++ b/src/web/server/record/ranking_record_hour.php
@@ -24,7 +24,7 @@ function get_ranking_record_hour($maestro_id, $date, $time, $app_id) {
 
 	$query = "
 		SELECT BR.playerID As PlayerID, U.Name AS Name, MAX(BR.BestRecord) AS HighScore
-		FROM moty_best_record BR, moty_player U
+		FROM best_record BR, player U
 		WHERE BR.MaestroID = ? AND BR.playerID = U.playerID AND DATE(BR.RecordDateTime) = ? AND HOUR(BR.RecordDateTime) = HOUR(?) AND AppID = ?
 		GROUP BY BR.playerID
 		ORDER BY max(BR.BestRecord) DESC;
diff --git a/src/web/server/record/ranking_record_month.php b/src/web/server/record/ranking_record_month.php
index b89a705..1abcd07 100644
--- a/src/web/server/record/ranking_record_month.php
+++ b/src/web/server/record/ranking_record_month.php
@@ -25,7 +25,7 @@ function get_ranking_record_month($maestro_id, $date, $time, $app_id) {
 
 	$query = "
 		SELECT BR.playerID As PlayerID, U.Name AS Name, MAX(BR.BestRecord) AS HighScore
-		FROM moty_best_record BR, moty_player U
+		FROM best_record BR, player U
 		WHERE BR.MaestroID = ? AND BR.playerID = U.playerID AND MONTH(BR.RecordDateTime) = MONTH(?) AND AppID = ?
 		GROUP BY BR.playerID
 		ORDER BY max(BR.BestRecord) DESC;
diff --git a/src/web/server/record/request_best_record.php b/src/web/server/record/request_best_record.php
index fc7c726..045f05d 100644
--- a/src/web/server/record/request_best_record.php
+++ b/src/web/server/record/request_best_record.php
@@ -25,7 +25,7 @@ function get_best_record($maestro_id, $app_id, $player_id) {
 
 	$query = "
 		SELECT BestRecord
-		FROM moty_best_record
+		FROM best_record
 		WHERE MaestroID = ? AND AppID = ? AND PlayerID = ? AND DATE(RecordDateTime) = DATE(NOW())
 	";
 	$stmt = $db_conn->prepare($query);
diff --git a/src/web/server/record/update_best_record.php b/src/web/server/record/update_best_record.php
index 375ef1e..a28ab9b 100644
--- a/src/web/server/record/update_best_record.php
+++ b/src/web/server/record/update_best_record.php
@@ -35,7 +35,7 @@ function get_best_record($maestro_id, $app_id, $player_id) {
 
 	$query = "
 		SELECT BestRecordID, BestRecord
-		FROM moty_best_record
+		FROM best_record
 		WHERE MaestroID = ? AND AppID = ? AND PlayerID = ? AND DATE(RecordDateTime) = DATE(NOW())
 		/*AND HOUR(RecordDateTime) = HOUR(NOW())*/
 	";
@@ -57,7 +57,7 @@ function insert_best_record($maestro_id, $app_id, $player_id, $best_record) {
 	global $db_conn;
 
 	$query = "
-		INSERT INTO moty_best_record (MaestroID, PlayerID, AppID, BestRecord, RecordDateTime)
+		INSERT INTO best_record (MaestroID, PlayerID, AppID, BestRecord, RecordDateTime)
 		VALUES (?, ?, ?, ?, NOW());
 	";
 	$stmt = $db_conn->prepare($query);
@@ -69,7 +69,7 @@ function update_best_record($prev_best_record_id, $best_record) {
 	global $db_conn;
 
 	$query = "
-		UPDATE moty_best_record
+		UPDATE best_record
 		SET BestRecord = ?, RecordDateTime = NOW()
 		WHERE BestRecordID = ? AND DATE(RecordDateTime) = DATE(NOW())
 		/* AND HOUR(RecordDateTime) = HOUR(NOW()) */
diff --git a/src/web/server/setup/connect_db.php b/src/web/server/setup/connect_db.php
index fd45821..a5e382d 100644
--- a/src/web/server/setup/connect_db.php
+++ b/src/web/server/setup/connect_db.php
@@ -6,9 +6,9 @@ if($hasServiceDBSetting == true) {
 	include("./../setup/service_db_setting.php");
 } else {
 	$db_host = "localhost";
-	$db_user = "afterschool";
+	$db_user = "moty";
 	$db_passwd = "sEobMPuJ2A8KTfwU";
-	$db_name = "jisangs";
+	$db_name = "moty";
 }
 
 
@@ -19,7 +19,7 @@ if ($db_conn->connect_error) {
     send_result_fail();
     exit;
 } else {
-	$query = "USE jisangs";
+	$query = "USE moty";
 	$result = mysqli_query($db_conn, $query);
 }
 
diff --git a/src/web/sql/insert_active_app.sql b/src/web/sql/insert_active_app.sql
index 2266ca6..ff4202f 100644
--- a/src/web/sql/insert_active_app.sql
+++ b/src/web/sql/insert_active_app.sql
@@ -1,6 +1,6 @@
-USE jisangs;
+USE moty;
 
-INSERT INTO `moty_active_app` (`ActiveAppID`, `MaestroID`, `AppID`) VALUES
+INSERT INTO `active_app` (`ActiveAppID`, `MaestroID`, `AppID`) VALUES
 (1, 1, 101),
 (2, 1, 102),
 (3, 1, 1),
@@ -21,23 +21,23 @@ INSERT INTO `moty_active_app` (`ActiveAppID`, `MaestroID`, `AppID`) VALUES
 (18, 1, 30),
 (19, 1, 39),
 (20, 1, 40),
-(21, 3, 101),
-(22, 3, 102),
-(23, 3, 1),
-(24, 3, 2),
-(25, 3, 3),
-(26, 3, 4),
-(27, 3, 5),
-(28, 3, 6),
-(29, 3, 7),
-(30, 3, 8),
-(31, 3, 11),
-(32, 3, 12),
-(33, 3, 13),
-(34, 3, 14),
-(35, 3, 15),
-(36, 3, 16),
-(37, 3, 29),
-(38, 3, 30),
-(39, 3, 39),
-(40, 3, 40);
+(21, 2, 101),
+(22, 2, 102),
+(23, 2, 1),
+(24, 2, 2),
+(25, 2, 3),
+(26, 2, 4),
+(27, 2, 5),
+(28, 2, 6),
+(29, 2, 7),
+(30, 2, 8),
+(31, 2, 11),
+(32, 2, 12),
+(33, 2, 13),
+(34, 2, 14),
+(35, 2, 15),
+(36, 2, 16),
+(37, 2, 29),
+(38, 2, 30),
+(39, 2, 39),
+(40, 2, 40);
diff --git a/src/web/sql/insert_app.sql b/src/web/sql/insert_app.sql
index e1687a7..36158ea 100644
--- a/src/web/sql/insert_app.sql
+++ b/src/web/sql/insert_app.sql
@@ -1,6 +1,6 @@
-USE jisangs;
+USE moty;
 
-INSERT INTO `moty_app` (`AppID`, `AppName`, `KoreanName`, `AppType`, `HowToPlay`) VALUES
+INSERT INTO `app` (`AppID`, `AppName`, `KoreanName`, `AppType`, `HowToPlay`) VALUES
 (1, 'practice_korean_basic', '기본 자리', 1, ''),
 (2, 'practice_korean_left_upper', '왼손 윗글쇠', 1, ''),
 (3, 'practice_korean_second_finger', '검지 글쇠', 1, ''),
diff --git a/src/web/sql/insert_maestro_player.sql b/src/web/sql/insert_maestro_player.sql
index 6f441ab..85927e9 100644
--- a/src/web/sql/insert_maestro_player.sql
+++ b/src/web/sql/insert_maestro_player.sql
@@ -1,13 +1,13 @@
-USE jisangs;
+USE moty;
 
-INSERT INTO `moty_maestro` (`MaestroID`, `Name`, `Password`, `Email`, `AccountType`, `ActivateStatus`, `AvailableActivateDateTime`, `PlayerCount`, `AcceptClausesDateTime`, `MaestroTestID`) VALUES
+INSERT INTO `maestro` (`MaestroID`, `Name`, `Password`, `Email`, `AccountType`, `ActivateStatus`, `AvailableActivateDateTime`, `PlayerCount`, `AcceptClausesDateTime`, `MaestroTestID`) VALUES
 (1, 'testplayer', '', 'test@jinaju.com', 100, 1, '2100-12-31 00:00:00', 0, '2018-05-27 17:13:35', 1),
 (2, '마에스트로 체험', '', 'test@jinaju.com', 101, 1, '2100-12-31 00:00:00', 0, '2018-07-08 00:00:00', 2);
 
 
-INSERT INTO `moty_player` (`PlayerID`, `MaestroID`, `Name`, `EnterCode`, `AccountType`) VALUES
+INSERT INTO `player` (`PlayerID`, `MaestroID`, `Name`, `EnterCode`, `AccountType`) VALUES
 (1, 1, '학생 체험', '', 0),
 (2, 2, '마에스트로', '', 0);
 
-INSERT INTO `moty_admin` (`AdminID`, `Name`, `Password`, `Email`, `AccountType`, `ActivateStatus`) VALUES
+INSERT INTO `admin` (`AdminID`, `Name`, `Password`, `Email`, `AccountType`, `ActivateStatus`) VALUES
 (1, 'jisangs', '*F2012B4E7A22EED437B79FB53DBF79C8AAC5034B', 'jisangs@gmail.com', 1, 1);
diff --git a/src/web/sql/make_db.sql b/src/web/sql/make_db.sql
index 294d68e..4df8c66 100644
--- a/src/web/sql/make_db.sql
+++ b/src/web/sql/make_db.sql
@@ -1,4 +1,4 @@
-CREATE TABLE moty_admin (
+CREATE TABLE admin (
 	AdminID INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
 	Name CHAR(50) NOT NULL,
 	Password CHAR(50) NOT NULL,
@@ -7,7 +7,7 @@ CREATE TABLE moty_admin (
 	ActivateStatus INT UNSIGNED NOT NULL
 );
 
-CREATE TABLE moty_maestro (
+CREATE TABLE maestro (
 	MaestroID INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
 	Name CHAR(50) NOT NULL,
 	Password CHAR(50) NOT NULL,
@@ -20,7 +20,7 @@ CREATE TABLE moty_maestro (
 	MaestroTestID INT UNSIGNED
 );
 
-CREATE TABLE moty_maestro_upgrade (
+CREATE TABLE maestro_upgrade (
 	MaestroUpgradeID INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
 	RegisteredAccountType INT UNSIGNED NOT NULL,
 	RequestedAccountType INT UNSIGNED NOT NULL,
@@ -28,22 +28,22 @@ CREATE TABLE moty_maestro_upgrade (
 	Status INT UNSIGNED NOT NULL,
 	MaestroID INT UNSIGNED NOT NULL,
 
-	FOREIGN KEY (MaestroID) REFERENCES moty_maestro(MaestroID)
+	FOREIGN KEY (MaestroID) REFERENCES maestro(MaestroID)
 );
 
-CREATE TABLE moty_player (
+CREATE TABLE player (
 	PlayerID INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
 	MaestroID INT UNSIGNED NOT NULL,
 	Name CHAR(50) NOT NULL,
 	EnterCode CHAR(6) NOT NULL,
 	AccountType INT UNSIGNED NOT NULL,
 
-	FOREIGN KEY (MaestroID) REFERENCES moty_maestro(MaestroID)
+	FOREIGN KEY (MaestroID) REFERENCES maestro(MaestroID)
 );
 
 
 
-CREATE TABLE moty_app (
+CREATE TABLE app (
 	AppID INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
 	AppName CHAR(40) NOT NULL,
 	KoreanName CHAR(40) NOT NULL,
@@ -51,18 +51,18 @@ CREATE TABLE moty_app (
 	HowToPlay TEXT NOT NULL
 );
 
-CREATE TABLE moty_active_app (
+CREATE TABLE active_app (
 	ActiveAppID INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
 	MaestroID INT UNSIGNED NOT NULL,
 	AppID INT UNSIGNED NOT NULL,
 
-	FOREIGN KEY (MaestroID) REFERENCES moty_maestro(MaestroID),
-	FOREIGN KEY (AppID) REFERENCES moty_app(AppID)
+	FOREIGN KEY (MaestroID) REFERENCES maestro(MaestroID),
+	FOREIGN KEY (AppID) REFERENCES app(AppID)
 );
 
 
 
-CREATE TABLE moty_best_record (
+CREATE TABLE best_record (
 	BestRecordID INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
 	MaestroID INT UNSIGNED NOT NULL,
 	AppID INT UNSIGNED NOT NULL,
@@ -70,12 +70,12 @@ CREATE TABLE moty_best_record (
 	BestRecord FLOAT NOT NULL,
 	RecordDateTime DATETIME NOT NULL,
 
-	FOREIGN KEY (MaestroID) REFERENCES moty_maestro(MaestroID),
-	FOREIGN KEY (AppID) REFERENCES moty_app(AppID),
-	FOREIGN KEY (PlayerID) REFERENCES moty_player(PlayerID)
+	FOREIGN KEY (MaestroID) REFERENCES maestro(MaestroID),
+	FOREIGN KEY (AppID) REFERENCES app(AppID),
+	FOREIGN KEY (PlayerID) REFERENCES player(PlayerID)
 );
 
-CREATE TABLE moty_ranking (
+CREATE TABLE ranking (
 	RankingID INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
 	MaestroID INT UNSIGNED NOT NULL,
 	AppID INT UNSIGNED NOT NULL,
@@ -83,7 +83,7 @@ CREATE TABLE moty_ranking (
 	Rank INT UNSIGNED NOT NULL,
 	PlayerID INT UNSIGNED NOT NULL,
 
-	FOREIGN KEY (MaestroID) REFERENCES moty_maestro(MaestroID),
-	FOREIGN KEY (AppID) REFERENCES moty_app(AppID),
-	FOREIGN KEY (PlayerID) REFERENCES moty_player(PlayerID)
+	FOREIGN KEY (MaestroID) REFERENCES maestro(MaestroID),
+	FOREIGN KEY (AppID) REFERENCES app(AppID),
+	FOREIGN KEY (PlayerID) REFERENCES player(PlayerID)
 );