diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/lexer/dialect/mysql/MySQLKeyword.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/lexer/dialect/mysql/MySQLKeyword.java
index 20d8fe83eee82b1d02cd17e035f2714269386bbc..f9adb59aabdb14863746493661b1d98587851109 100755
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/lexer/dialect/mysql/MySQLKeyword.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/lexer/dialect/mysql/MySQLKeyword.java
@@ -53,5 +53,6 @@ public enum MySQLKeyword implements Keyword {
     OPTIMIZE, 
     ANALYZE, 
     IGNORE, 
-    IDENTIFIED
+    IDENTIFIED,
+    MODIFY
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/lexer/dialect/sqlserver/SQLServerKeyword.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/lexer/dialect/sqlserver/SQLServerKeyword.java
index 31da960968431396970989f82484e76ded3ddda2..6a295b0a7b9c6a74f3622e072324186f274d6051 100755
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/lexer/dialect/sqlserver/SQLServerKeyword.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/lexer/dialect/sqlserver/SQLServerKeyword.java
@@ -33,7 +33,6 @@ public enum SQLServerKeyword implements Keyword {
     ROW_NUMBER,
     PARTITION, 
     ONLY, 
-    IF, 
     OUTPUT, 
     AUTO, 
     BEGIN, 
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/lexer/token/DefaultKeyword.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/lexer/token/DefaultKeyword.java
index 69e4fb780142e7526588d513fa07de120ee7c8c4..5779dd71aea2a831182143f012daaa2e3cb1a633 100755
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/lexer/token/DefaultKeyword.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/lexer/token/DefaultKeyword.java
@@ -49,14 +49,15 @@ public enum DefaultKeyword implements Keyword {
     ASC,
     DESC,
     GROUP,
-    BY,
-    HAVING,
-    INTO,
-    VALUES,
-    COLUMN,
-    TABLE,
-    TABLESPACE,
-    SET,
+    BY, 
+    HAVING, 
+    INTO, 
+    VALUES, 
+    COLUMN, 
+    TABLE, 
+    TABLESPACE, 
+    SET, 
+    ADD, 
     PRIMARY,
     KEY,
     INDEX,
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/mysql/MySQLAlterParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/mysql/MySQLAlterParser.java
index 9df277a6306ecdc1c48470fce24783ad48755046..57f9c47777550e899b8939dd63f8f41f3e5e0f93 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/mysql/MySQLAlterParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/mysql/MySQLAlterParser.java
@@ -17,7 +17,6 @@
 
 package com.dangdang.ddframe.rdb.sharding.parsing.parser.dialect.mysql;
 
-import com.dangdang.ddframe.rdb.sharding.parsing.lexer.token.Keyword;
 import com.dangdang.ddframe.rdb.sharding.parsing.parser.AbstractSQLParser;
 import com.dangdang.ddframe.rdb.sharding.parsing.parser.statement.ddl.alter.AbstractAlterParser;
 
@@ -31,9 +30,4 @@ public final class MySQLAlterParser extends AbstractAlterParser {
     public MySQLAlterParser(final AbstractSQLParser sqlParser) {
         super(sqlParser);
     }
-    
-    @Override
-    protected Keyword[] getSkipWordsBetweenKeywordAndTableName() {
-        return new Keyword[] {};
-    }
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/mysql/MySQLCreateParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/mysql/MySQLCreateParser.java
index bdde89bcea68fa24365fc5d84cfe2a195b3bef30..d25ba97776b4d15948a142adbb825bcd7739e311 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/mysql/MySQLCreateParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/mysql/MySQLCreateParser.java
@@ -34,12 +34,12 @@ public final class MySQLCreateParser extends AbstractCreateParser {
     }
     
     @Override
-    protected Keyword[] getSkipWordsBetweenCreateAndKeyword() {
+    protected Keyword[] getSkippedKeywordsBetweenCreateAndKeyword() {
         return new Keyword[] {DefaultKeyword.TEMPORARY};
     }
     
     @Override
-    protected Keyword[] getSkipWordsBetweenKeywordAndTableName() {
+    protected Keyword[] getSkippedKeywordsBetweenCreateTableAndTableName() {
         return new Keyword[] {DefaultKeyword.IF, DefaultKeyword.NOT, DefaultKeyword.EXISTS};
     }
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/mysql/MySQLDropParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/mysql/MySQLDropParser.java
index 92a665bf9f57d55863b86185e38c60ad813f0c8b..faf5153b44259fe166334d8733b372bf66d064dd 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/mysql/MySQLDropParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/mysql/MySQLDropParser.java
@@ -17,6 +17,7 @@
 
 package com.dangdang.ddframe.rdb.sharding.parsing.parser.dialect.mysql;
 
+import com.dangdang.ddframe.rdb.sharding.parsing.lexer.token.DefaultKeyword;
 import com.dangdang.ddframe.rdb.sharding.parsing.lexer.token.Keyword;
 import com.dangdang.ddframe.rdb.sharding.parsing.parser.AbstractSQLParser;
 import com.dangdang.ddframe.rdb.sharding.parsing.parser.statement.ddl.drop.AbstractDropParser;
@@ -33,7 +34,12 @@ public final class MySQLDropParser extends AbstractDropParser {
     }
     
     @Override
-    protected Keyword[] getSkipWordsBetweenKeywordAndTableName() {
-        return new Keyword[] {};
+    protected Keyword[] getSkippedKeywordsBetweenDropAndTable() {
+        return new Keyword[] {DefaultKeyword.TEMPORARY};
+    }
+    
+    @Override
+    protected Keyword[] getSkippedKeywordsBetweenDropTableAndTableName() {
+        return new Keyword[] {DefaultKeyword.IF, DefaultKeyword.EXISTS};
     }
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/mysql/MySQLTruncateParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/mysql/MySQLTruncateParser.java
index 64a71306ab9066423fb9da61b30c1d2b4f75ab79..3852e145018cef3e99acb021326a72d059c21516 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/mysql/MySQLTruncateParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/mysql/MySQLTruncateParser.java
@@ -17,7 +17,6 @@
 
 package com.dangdang.ddframe.rdb.sharding.parsing.parser.dialect.mysql;
 
-import com.dangdang.ddframe.rdb.sharding.parsing.lexer.token.Keyword;
 import com.dangdang.ddframe.rdb.sharding.parsing.parser.AbstractSQLParser;
 import com.dangdang.ddframe.rdb.sharding.parsing.parser.statement.ddl.truncate.AbstractTruncateParser;
 
@@ -31,9 +30,4 @@ public final class MySQLTruncateParser extends AbstractTruncateParser {
     public MySQLTruncateParser(final AbstractSQLParser sqlParser) {
         super(sqlParser);
     }
-    
-    @Override
-    protected Keyword[] getSkipWordsBetweenKeywordAndTableName() {
-        return new Keyword[] {};
-    }
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/oracle/OracleAlterParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/oracle/OracleAlterParser.java
index e7fe66f5d468ef78b7c657e4921c156d2071a192..0c6b2b328c1af083d0711dee33c631d7dee525a6 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/oracle/OracleAlterParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/oracle/OracleAlterParser.java
@@ -17,7 +17,6 @@
 
 package com.dangdang.ddframe.rdb.sharding.parsing.parser.dialect.oracle;
 
-import com.dangdang.ddframe.rdb.sharding.parsing.lexer.token.Keyword;
 import com.dangdang.ddframe.rdb.sharding.parsing.parser.AbstractSQLParser;
 import com.dangdang.ddframe.rdb.sharding.parsing.parser.statement.ddl.alter.AbstractAlterParser;
 
@@ -31,9 +30,4 @@ public final class OracleAlterParser extends AbstractAlterParser {
     public OracleAlterParser(final AbstractSQLParser sqlParser) {
         super(sqlParser);
     }
-    
-    @Override
-    protected Keyword[] getSkipWordsBetweenKeywordAndTableName() {
-        return new Keyword[] {};
-    }
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/oracle/OracleCreateParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/oracle/OracleCreateParser.java
index 1a3c8e1f3598156fdf81f081270fb0982ce9c226..ead7dafbd9b46d43fbc4bfc0840f1263eed386a2 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/oracle/OracleCreateParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/oracle/OracleCreateParser.java
@@ -34,12 +34,12 @@ public final class OracleCreateParser extends AbstractCreateParser {
     }
     
     @Override
-    protected Keyword[] getSkipWordsBetweenCreateAndKeyword() {
+    protected Keyword[] getSkippedKeywordsBetweenCreateAndKeyword() {
         return new Keyword[] {DefaultKeyword.GLOBAL, DefaultKeyword.TEMPORARY};
     }
     
     @Override
-    protected Keyword[] getSkipWordsBetweenKeywordAndTableName() {
+    protected Keyword[] getSkippedKeywordsBetweenCreateTableAndTableName() {
         return new Keyword[] {};
     }
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/oracle/OracleDropParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/oracle/OracleDropParser.java
index b810e6fe35cb57ef0634c9e4918f5a4c9e510a63..eb086919024ec83cbf20d29df8a4397a2d3a5787 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/oracle/OracleDropParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/oracle/OracleDropParser.java
@@ -33,7 +33,7 @@ public final class OracleDropParser extends AbstractDropParser {
     }
     
     @Override
-    protected Keyword[] getSkipWordsBetweenKeywordAndTableName() {
+    protected Keyword[] getSkippedKeywordsBetweenDropTableAndTableName() {
         return new Keyword[] {};
     }
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/oracle/OracleTruncateParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/oracle/OracleTruncateParser.java
index b6e9e1e37e4c3c22175b07a683276b86d990f418..39017be9d3461e910c619e95c31138e2ecd3da82 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/oracle/OracleTruncateParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/oracle/OracleTruncateParser.java
@@ -17,7 +17,6 @@
 
 package com.dangdang.ddframe.rdb.sharding.parsing.parser.dialect.oracle;
 
-import com.dangdang.ddframe.rdb.sharding.parsing.lexer.token.Keyword;
 import com.dangdang.ddframe.rdb.sharding.parsing.parser.AbstractSQLParser;
 import com.dangdang.ddframe.rdb.sharding.parsing.parser.statement.ddl.truncate.AbstractTruncateParser;
 
@@ -31,9 +30,4 @@ public final class OracleTruncateParser extends AbstractTruncateParser {
     public OracleTruncateParser(final AbstractSQLParser sqlParser) {
         super(sqlParser);
     }
-    
-    @Override
-    protected Keyword[] getSkipWordsBetweenKeywordAndTableName() {
-        return new Keyword[] {};
-    }
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/postgresql/PostgreSQLAlterParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/postgresql/PostgreSQLAlterParser.java
index cc38dc74fb4c444a3012f571716fb9cbc0c1d616..ff2c1fd0870b3c5238ca9a55c97e26ef23e6b935 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/postgresql/PostgreSQLAlterParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/postgresql/PostgreSQLAlterParser.java
@@ -17,6 +17,7 @@
 
 package com.dangdang.ddframe.rdb.sharding.parsing.parser.dialect.postgresql;
 
+import com.dangdang.ddframe.rdb.sharding.parsing.lexer.dialect.postgresql.PostgreSQLKeyword;
 import com.dangdang.ddframe.rdb.sharding.parsing.lexer.token.DefaultKeyword;
 import com.dangdang.ddframe.rdb.sharding.parsing.lexer.token.Keyword;
 import com.dangdang.ddframe.rdb.sharding.parsing.parser.AbstractSQLParser;
@@ -34,7 +35,7 @@ public final class PostgreSQLAlterParser extends AbstractAlterParser {
     }
     
     @Override
-    protected Keyword[] getSkipWordsBetweenKeywordAndTableName() {
-        return new Keyword[] {DefaultKeyword.IF, DefaultKeyword.NOT, DefaultKeyword.EXISTS};
+    protected Keyword[] getSkippedKeywordsBetweenAlterTableAndTableName() {
+        return new Keyword[] {DefaultKeyword.IF, DefaultKeyword.EXISTS, PostgreSQLKeyword.ONLY};
     }
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/postgresql/PostgreSQLCreateParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/postgresql/PostgreSQLCreateParser.java
index c95c3f992d654e7903a67907a9af3ae27deaee0c..36d0a9dd299ac4a8d8ab313c8731c94ecce930a4 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/postgresql/PostgreSQLCreateParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/postgresql/PostgreSQLCreateParser.java
@@ -35,12 +35,12 @@ public final class PostgreSQLCreateParser extends AbstractCreateParser {
     }
     
     @Override
-    protected Keyword[] getSkipWordsBetweenCreateAndKeyword() {
+    protected Keyword[] getSkippedKeywordsBetweenCreateAndKeyword() {
         return new Keyword[] {DefaultKeyword.GLOBAL, DefaultKeyword.LOCAL, DefaultKeyword.TEMPORARY, PostgreSQLKeyword.TEMP, PostgreSQLKeyword.UNLOGGED};
     }
     
     @Override
-    protected Keyword[] getSkipWordsBetweenKeywordAndTableName() {
+    protected Keyword[] getSkippedKeywordsBetweenCreateTableAndTableName() {
         return new Keyword[] {DefaultKeyword.IF, DefaultKeyword.NOT, DefaultKeyword.EXISTS};
     }
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/postgresql/PostgreSQLDropParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/postgresql/PostgreSQLDropParser.java
index c3376d31ff9eb9c455497277f3fdcd3e5fc5812a..1cf8170d28f74da1afedef78fedc087acc4d4393 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/postgresql/PostgreSQLDropParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/postgresql/PostgreSQLDropParser.java
@@ -34,7 +34,7 @@ public final class PostgreSQLDropParser extends AbstractDropParser {
     }
     
     @Override
-    protected Keyword[] getSkipWordsBetweenKeywordAndTableName() {
+    protected Keyword[] getSkippedKeywordsBetweenDropTableAndTableName() {
         return new Keyword[] {DefaultKeyword.IF, DefaultKeyword.EXISTS};
     }
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/postgresql/PostgreSQLTruncateParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/postgresql/PostgreSQLTruncateParser.java
index 701a6bc002bcd1b37d5be2cea82ad4346fe8a925..46f3cf27c5c2e0adbb07dda4641b511b66967905 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/postgresql/PostgreSQLTruncateParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/postgresql/PostgreSQLTruncateParser.java
@@ -34,7 +34,7 @@ public final class PostgreSQLTruncateParser extends AbstractTruncateParser {
     }
     
     @Override
-    protected Keyword[] getSkipWordsBetweenKeywordAndTableName() {
+    protected Keyword[] getSkippedKeywordsBetweenTruncateTableAndTableName() {
         return new Keyword[] {PostgreSQLKeyword.ONLY};
     }
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerAlterParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerAlterParser.java
index d16fe524410f2705bda80c04bb8afe95af889d15..cb86a76a0aa288948d17cb95235dfe89159e5799 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerAlterParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerAlterParser.java
@@ -17,7 +17,6 @@
 
 package com.dangdang.ddframe.rdb.sharding.parsing.parser.dialect.sqlserver;
 
-import com.dangdang.ddframe.rdb.sharding.parsing.lexer.token.Keyword;
 import com.dangdang.ddframe.rdb.sharding.parsing.parser.AbstractSQLParser;
 import com.dangdang.ddframe.rdb.sharding.parsing.parser.statement.ddl.alter.AbstractAlterParser;
 
@@ -31,9 +30,4 @@ public final class SQLServerAlterParser extends AbstractAlterParser {
     public SQLServerAlterParser(final AbstractSQLParser sqlParser) {
         super(sqlParser);
     }
-    
-    @Override
-    protected Keyword[] getSkipWordsBetweenKeywordAndTableName() {
-        return new Keyword[] {};
-    }
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerCreateParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerCreateParser.java
index 4a018c9eca3e598ff8f6356e78e466f234a15d0b..45254c393e06c590cfa7f9782827f34a77bb8497 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerCreateParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerCreateParser.java
@@ -33,12 +33,12 @@ public final class SQLServerCreateParser extends AbstractCreateParser {
     }
     
     @Override
-    protected Keyword[] getSkipWordsBetweenCreateAndKeyword() {
+    protected Keyword[] getSkippedKeywordsBetweenCreateAndKeyword() {
         return new Keyword[] {};
     }
     
     @Override
-    protected Keyword[] getSkipWordsBetweenKeywordAndTableName() {
+    protected Keyword[] getSkippedKeywordsBetweenCreateTableAndTableName() {
         return new Keyword[] {};
     }
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerDropParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerDropParser.java
index c956c8f55d2d2202b84f4f5b7a605b5e21a7a90d..dcebfcf77ce233b9d2218fd256c3018c585435b4 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerDropParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerDropParser.java
@@ -34,7 +34,7 @@ public final class SQLServerDropParser extends AbstractDropParser {
     }
     
     @Override
-    protected Keyword[] getSkipWordsBetweenKeywordAndTableName() {
+    protected Keyword[] getSkippedKeywordsBetweenDropTableAndTableName() {
         return new Keyword[] {DefaultKeyword.IF, DefaultKeyword.EXISTS};
     }
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerTruncateParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerTruncateParser.java
index db222d8269723f68ab9f40af94c68b961774374f..7ba8c3dd91cebe614ff49a2c749121a032df24d3 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerTruncateParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerTruncateParser.java
@@ -17,7 +17,6 @@
 
 package com.dangdang.ddframe.rdb.sharding.parsing.parser.dialect.sqlserver;
 
-import com.dangdang.ddframe.rdb.sharding.parsing.lexer.token.Keyword;
 import com.dangdang.ddframe.rdb.sharding.parsing.parser.AbstractSQLParser;
 import com.dangdang.ddframe.rdb.sharding.parsing.parser.statement.ddl.truncate.AbstractTruncateParser;
 
@@ -31,9 +30,4 @@ public final class SQLServerTruncateParser extends AbstractTruncateParser {
     public SQLServerTruncateParser(final AbstractSQLParser sqlParser) {
         super(sqlParser);
     }
-    
-    @Override
-    protected Keyword[] getSkipWordsBetweenKeywordAndTableName() {
-        return new Keyword[] {};
-    }
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/statement/ddl/alter/AbstractAlterParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/statement/ddl/alter/AbstractAlterParser.java
index 24944898dc91a21760322cdb74a8cd0882f44a63..2c5da3cf79196daa610f2f42ca38a449792f5b87 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/statement/ddl/alter/AbstractAlterParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/statement/ddl/alter/AbstractAlterParser.java
@@ -51,10 +51,12 @@ public abstract class AbstractAlterParser implements SQLStatementParser {
         if (!sqlParser.skipIfEqual(DefaultKeyword.TABLE)) {
             throw new SQLParsingUnsupportedException(sqlParser.getLexer().getCurrentToken().getType());
         }
-        getSqlParser().skipAll(getSkipWordsBetweenKeywordAndTableName());
+        getSqlParser().skipAll(getSkippedKeywordsBetweenAlterTableAndTableName());
         sqlParser.parseSingleTable(alterStatement);
         return alterStatement;
     }
     
-    protected abstract Keyword[] getSkipWordsBetweenKeywordAndTableName();
+    protected Keyword[] getSkippedKeywordsBetweenAlterTableAndTableName() {
+        return new Keyword[0];
+    }
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/statement/ddl/create/AbstractCreateParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/statement/ddl/create/AbstractCreateParser.java
index 3b8475fb71d777ba865fbf4a717f2ec3307513fc..76193ef7954201836b9962b1fa944ce64c4c307b 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/statement/ddl/create/AbstractCreateParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/statement/ddl/create/AbstractCreateParser.java
@@ -48,16 +48,16 @@ public abstract class AbstractCreateParser implements SQLStatementParser {
     @Override
     public DDLStatement parse() {
         sqlParser.getLexer().nextToken();
-        getSqlParser().skipAll(getSkipWordsBetweenCreateAndKeyword());
+        getSqlParser().skipAll(getSkippedKeywordsBetweenCreateAndKeyword());
         if (!sqlParser.skipIfEqual(DefaultKeyword.TABLE)) {
             throw new SQLParsingUnsupportedException(sqlParser.getLexer().getCurrentToken().getType());
         }
-        getSqlParser().skipAll(getSkipWordsBetweenKeywordAndTableName());
+        getSqlParser().skipAll(getSkippedKeywordsBetweenCreateTableAndTableName());
         sqlParser.parseSingleTable(createStatement);
         return createStatement;
     }
     
-    protected abstract Keyword[] getSkipWordsBetweenCreateAndKeyword();
+    protected abstract Keyword[] getSkippedKeywordsBetweenCreateAndKeyword();
     
-    protected abstract Keyword[] getSkipWordsBetweenKeywordAndTableName();
+    protected abstract Keyword[] getSkippedKeywordsBetweenCreateTableAndTableName();
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/statement/ddl/drop/AbstractDropParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/statement/ddl/drop/AbstractDropParser.java
index a1e2154331638afc65a403f5546c3a93242a2682..5b6a73bd8f275e2084d5fcb72aa328d769c05130 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/statement/ddl/drop/AbstractDropParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/statement/ddl/drop/AbstractDropParser.java
@@ -48,13 +48,18 @@ public abstract class AbstractDropParser implements SQLStatementParser {
     @Override
     public DDLStatement parse() {
         sqlParser.getLexer().nextToken();
+        getSqlParser().skipAll(getSkippedKeywordsBetweenDropAndTable());
         if (!sqlParser.skipIfEqual(DefaultKeyword.TABLE)) {
             throw new SQLParsingUnsupportedException(sqlParser.getLexer().getCurrentToken().getType());
         }
-        getSqlParser().skipAll(getSkipWordsBetweenKeywordAndTableName());
+        getSqlParser().skipAll(getSkippedKeywordsBetweenDropTableAndTableName());
         sqlParser.parseSingleTable(dropStatement);
         return dropStatement;
     }
     
-    protected abstract Keyword[] getSkipWordsBetweenKeywordAndTableName();
+    protected Keyword[] getSkippedKeywordsBetweenDropAndTable() {
+        return new Keyword[0];
+    }
+    
+    protected abstract Keyword[] getSkippedKeywordsBetweenDropTableAndTableName();
 }
diff --git a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/statement/ddl/truncate/AbstractTruncateParser.java b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/statement/ddl/truncate/AbstractTruncateParser.java
index 48d8b14f1d7fad39dd7080c964f4846da5332611..d73a66e8d934dd2b890f9106d3fc1d11d3d68962 100644
--- a/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/statement/ddl/truncate/AbstractTruncateParser.java
+++ b/sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/statement/ddl/truncate/AbstractTruncateParser.java
@@ -20,7 +20,6 @@ package com.dangdang.ddframe.rdb.sharding.parsing.parser.statement.ddl.truncate;
 import com.dangdang.ddframe.rdb.sharding.parsing.lexer.token.DefaultKeyword;
 import com.dangdang.ddframe.rdb.sharding.parsing.lexer.token.Keyword;
 import com.dangdang.ddframe.rdb.sharding.parsing.parser.AbstractSQLParser;
-import com.dangdang.ddframe.rdb.sharding.parsing.parser.exception.SQLParsingUnsupportedException;
 import com.dangdang.ddframe.rdb.sharding.parsing.parser.statement.SQLStatementParser;
 import com.dangdang.ddframe.rdb.sharding.parsing.parser.statement.ddl.DDLStatement;
 import lombok.AccessLevel;
@@ -48,13 +47,13 @@ public abstract class AbstractTruncateParser implements SQLStatementParser {
     @Override
     public DDLStatement parse() {
         sqlParser.getLexer().nextToken();
-        if (!sqlParser.skipIfEqual(DefaultKeyword.TABLE)) {
-            throw new SQLParsingUnsupportedException(sqlParser.getLexer().getCurrentToken().getType());
-        }
-        getSqlParser().skipAll(getSkipWordsBetweenKeywordAndTableName());
+        sqlParser.skipIfEqual(DefaultKeyword.TABLE);
+        getSqlParser().skipAll(getSkippedKeywordsBetweenTruncateTableAndTableName());
         sqlParser.parseSingleTable(truncateStatement);
         return truncateStatement;
     }
     
-    protected abstract Keyword[] getSkipWordsBetweenKeywordAndTableName();
+    protected Keyword[] getSkippedKeywordsBetweenTruncateTableAndTableName() {
+        return new Keyword[0];
+    }
 }
diff --git a/sharding-jdbc-core/src/test/resources/parser/alter.xml b/sharding-jdbc-core/src/test/resources/parser/alter.xml
new file mode 100644
index 0000000000000000000000000000000000000000..71e27a16a01dd999171004b74036eb6a0b009869
--- /dev/null
+++ b/sharding-jdbc-core/src/test/resources/parser/alter.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<asserts>
+    <assert id="assertAlterTable">
+        <tables>
+            <table name="t_temp" />
+        </tables>
+    </assert>
+    <assert id="assertAlterTableIfExistAndOnly">
+        <tables>
+            <table name="t_temp" />
+        </tables>
+    </assert>
+</asserts>
diff --git a/sharding-jdbc-core/src/test/resources/parser/create.xml b/sharding-jdbc-core/src/test/resources/parser/create.xml
index d51b77716317928e32070b175531588fe3e57fc7..e822d3643341346c089f92af632659cbbdd3543c 100644
--- a/sharding-jdbc-core/src/test/resources/parser/create.xml
+++ b/sharding-jdbc-core/src/test/resources/parser/create.xml
@@ -15,4 +15,19 @@
             <table name="t_temp" />
         </tables>
     </assert>
+    <assert id="assertCreateTempGlobalTable">
+        <tables>
+            <table name="t_temp" />
+        </tables>
+    </assert>
+    <assert id="assertCreateTempLocalTemporaryTable">
+        <tables>
+            <table name="t_temp" />
+        </tables>
+    </assert>
+    <assert id="assertCreateUnloggedTable">
+        <tables>
+            <table name="t_temp" />
+        </tables>
+    </assert>
 </asserts>
diff --git a/sharding-jdbc-core/src/test/resources/parser/drop.xml b/sharding-jdbc-core/src/test/resources/parser/drop.xml
new file mode 100644
index 0000000000000000000000000000000000000000..58193bb01d930435e1471eec665f169a85dca458
--- /dev/null
+++ b/sharding-jdbc-core/src/test/resources/parser/drop.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<asserts>
+    <assert id="assertDropTable">
+        <tables>
+            <table name="t_temp" />
+        </tables>
+    </assert>
+    <assert id="assertDropTableIfExist">
+        <tables>
+            <table name="t_temp" />
+        </tables>
+    </assert>
+    <assert id="assertDropTemporaryTable">
+        <tables>
+            <table name="t_temp" />
+        </tables>
+    </assert>
+    <assert id="assertDropTableRestrict">
+        <tables>
+            <table name="t_temp" />
+        </tables>
+    </assert>
+    <assert id="assertDropTableCascade">
+        <tables>
+            <table name="t_temp" />
+        </tables>
+    </assert>
+    <assert id="assertDropTableCascadeConstraintsAndPurge">
+        <tables>
+            <table name="t_temp" />
+        </tables>
+    </assert>
+</asserts>
diff --git a/sharding-jdbc-core/src/test/resources/parser/truncate.xml b/sharding-jdbc-core/src/test/resources/parser/truncate.xml
new file mode 100644
index 0000000000000000000000000000000000000000..11d39c0ea2498ce1911de81c6f62b363cbd2467a
--- /dev/null
+++ b/sharding-jdbc-core/src/test/resources/parser/truncate.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<asserts>
+    <assert id="assertTruncateTable">
+        <tables>
+            <table name="t_temp" />
+        </tables>
+    </assert>
+    <assert id="assertTruncateTableOnly">
+        <tables>
+            <table name="t_temp" />
+        </tables>
+    </assert>
+</asserts>
diff --git a/sharding-jdbc-core/src/test/resources/sql/ddl/alter.xml b/sharding-jdbc-core/src/test/resources/sql/ddl/alter.xml
new file mode 100644
index 0000000000000000000000000000000000000000..232c4ad71f2ff42fa38a29eaf365fe5dbf82b043
--- /dev/null
+++ b/sharding-jdbc-core/src/test/resources/sql/ddl/alter.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<sqls>
+    <sql id="assertAlterTable" value="ALTER TABLE t_temp ADD name varchar" />
+    <sql id="assertAlterTableIfExistAndOnly" value="ALTER TABLE IF EXISTS ONLY t_temp ADD name varchar" type="PostgreSQL" />
+</sqls>
diff --git a/sharding-jdbc-core/src/test/resources/sql/ddl/create.xml b/sharding-jdbc-core/src/test/resources/sql/ddl/create.xml
index c2a9a5650e1391f2ebf63fd2d637e5f7d6d9393e..8900753f62a04aaebc187d44a9ad55153cfd2972 100644
--- a/sharding-jdbc-core/src/test/resources/sql/ddl/create.xml
+++ b/sharding-jdbc-core/src/test/resources/sql/ddl/create.xml
@@ -1,6 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <sqls>
     <sql id="assertCreateTable" value="CREATE TABLE t_temp(id int)" />
-    <sql id="assertCreateTableIfNotExist" value="CREATE TABLE IF NOT EXISTS t_temp(id int)" type="PostgreSQL"/>
-    <sql id="assertCreateTemporaryTable" value="CREATE TEMPORARY TABLE IF NOT EXISTS t_temp(id int)" type="H2,MySQL,PostgreSQL"/>
+    <sql id="assertCreateTableIfNotExist" value="CREATE TABLE IF NOT EXISTS t_temp(id int)" type="MySQL,PostgreSQL" />
+    <sql id="assertCreateTemporaryTable" value="CREATE TEMPORARY TABLE IF NOT EXISTS t_temp(id int)" type="MySQL,PostgreSQL" />
+    <sql id="assertCreateGlobalTemporaryTable" value="CREATE GLOBAL TEMPORARY TABLE t_temp(id int)" type="Oracle,PostgreSQL" />
+    <sql id="assertCreateTempLocalTempTable" value="CREATE LOCAL TEMP TABLE t_temp(id int)" type="PostgreSQL" />
+    <sql id="assertCreateUnloggedTable" value="CREATE UNLOGGED TABLE t_temp(id int)" type="PostgreSQL" />
 </sqls>
diff --git a/sharding-jdbc-core/src/test/resources/sql/ddl/drop.xml b/sharding-jdbc-core/src/test/resources/sql/ddl/drop.xml
new file mode 100644
index 0000000000000000000000000000000000000000..e112882965b6486f2e0ffcd1d84d31a05a7c49a6
--- /dev/null
+++ b/sharding-jdbc-core/src/test/resources/sql/ddl/drop.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<sqls>
+    <sql id="assertDropTable" value="DROP TABLE t_temp(id int)" />
+    <sql id="assertDropTableIfExist" value="DROP TABLE IF EXISTS t_temp(id int)" type="MySQL,PostgreSQL,SQLServer" />
+    <sql id="assertDropTemporaryTable" value="DROP TEMPORARY TABLE t_temp(id int)" type="MySQL" />
+    <sql id="assertDropTableRestrict" value="DROP TABLE t_temp(id int) RESTRICT" type="MySQL,PostgreSQL" />
+    <sql id="assertDropTableCascade" value="DROP TABLE t_temp(id int) CASCADE" type="MySQL,PostgreSQL" />
+    <sql id="assertDropTableCascadeConstraintsAndPurge" value="DROP TABLE t_temp(id int) CASCADE CONSTRAINTS PURGE" type="Oracle" />
+</sqls>
diff --git a/sharding-jdbc-core/src/test/resources/sql/ddl/truncate.xml b/sharding-jdbc-core/src/test/resources/sql/ddl/truncate.xml
new file mode 100644
index 0000000000000000000000000000000000000000..c3d82e3aa7e4c26a6869aad62b8eb28567c21624
--- /dev/null
+++ b/sharding-jdbc-core/src/test/resources/sql/ddl/truncate.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<sqls>
+    <sql id="assertTruncateTable" value="TRUNCATE TABLE t_temp" />
+    <sql id="assertTruncateTableOnly" value="TRUNCATE TABLE ONLY t_temp" type="PostgreSQL" />
+</sqls>