diff --git a/classes/db/DBMysql.class.php b/classes/db/DBMysql.class.php
index 529dc6acc..5ce59adb2 100644
--- a/classes/db/DBMysql.class.php
+++ b/classes/db/DBMysql.class.php
@@ -173,7 +173,11 @@
         function getNextSequence() {
             $query = sprintf("insert into `%ssequence` (seq) values ('')", $this->prefix);
             $this->_query($query);
-            return mysql_insert_id();
+            $sequence = mysql_insert_id();
+            $query = sprintf("delete from  `%ssequence`", $this->prefix);
+            $this->_query($query);
+
+            return $sequence;
         }
 
         /**
diff --git a/classes/db/DBMysql_innodb.class.php b/classes/db/DBMysql_innodb.class.php
index aba5a15ae..73709e7fb 100644
--- a/classes/db/DBMysql_innodb.class.php
+++ b/classes/db/DBMysql_innodb.class.php
@@ -182,7 +182,11 @@
         function getNextSequence() {
             $query = sprintf("insert into `%ssequence` (seq) values ('')", $this->prefix);
             $this->_query($query);
-            return mysql_insert_id();
+            $sequence = mysql_insert_id();
+            $query = sprintf("delete from  `%ssequence`", $this->prefix);
+            $this->_query($query);
+
+            return $sequence;
         }
 
         /**
diff --git a/classes/db/DBSqlite2.class.php b/classes/db/DBSqlite2.class.php
index a3f0fcf3a..65f91f3c6 100644
--- a/classes/db/DBSqlite2.class.php
+++ b/classes/db/DBSqlite2.class.php
@@ -171,9 +171,13 @@
          * @brief 1씩 증가되는 sequence값을 return
          **/
         function getNextSequence() {
-            $query = sprintf("insert into %ssequence (seq) values ('')", $this->prefix);
+            $query = sprintf("insert into `%ssequence` (seq) values ('')", $this->prefix);
             $this->_query($query);
-            return sqlite_last_insert_rowid($this->fd);
+            $sequence = sqlite_last_insert_rowid($this->fd);
+            $query = sprintf("delete from  `%ssequence`", $this->prefix);
+            $this->_query($query);
+
+            return $sequence;
         }
 
         /**
diff --git a/classes/db/DBSqlite3_pdo.class.php b/classes/db/DBSqlite3_pdo.class.php
index 5ae0e285f..a05809a16 100644
--- a/classes/db/DBSqlite3_pdo.class.php
+++ b/classes/db/DBSqlite3_pdo.class.php
@@ -195,7 +195,12 @@
             $query = sprintf("insert into %ssequence (seq) values (NULL)", $this->prefix);
             $this->_prepare($query);
             $result = $this->_execute();
-            return $this->handler->lastInsertId();
+            $sequence = $this->handler->lastInsertId();
+            $query = sprintf("delete from  `%ssequence`", $this->prefix);
+            $this->_prepare($query);
+            $result = $this->_execute();
+
+            return $sequence;
         }
 
         /**