Inserting data from Internal Table to External MS SQL Server in Native SQL

Hi Guys ,

I need an immediate help.

actually , i have made a connection between my SAP server and MS SQL server.

Under which I have to insert multiple records from SAP to SQL Server .

for which i am writing codes in Native  SQL .

But it is not inserting records in DB of Sql server.

EXEC SQL.

  CONNECT TO 'GAURAV'

ENDEXEC.

"----- MY Itab has two records as  of now --------"

LOOP AT ITAB INTO WA.

"---- Insert Command ------"

EXEC SQL.

begin transaction T1  ;

     INSERT INTO Employee( Ename, DateOfBirth, City, sapflag )

      VALUES ( WA-NAME, WA-DATE,WA-CITY,WA-FLAG );

      commit Trabsaction T1;

ENDEXEC.

ENDLOOP.

EXEC SQL.

  DISCONNECT :'GAURAV'

ENDEXEC.

Here is the code i have written .

Any help will be deeply appreciated .

Thanks & Regards,

Gaurav Singh