Question : sql syntax

hello
i am trying to grab the value from the second colum and insert it into the third column of the same table

 INSERT INTO pc_invoice(gID)
SELECT LEFT(Title,14) FROM PC_INVOICE

its actually inserting new rows, can someone shed some light here?

thanks

Code Snippet:

1: 2: 3: 4: 5:

id title gid GFR120821555952 WIZARBVYABAMTN The Oz NULL GFR120822040974 WIZARUW92W24UT The Oz NULL GFR121019063673 WIZAR4MGM7LMP3 The Oz NULL GFR121019065386 PRIDEGPG2SZ6XZ Prideice NULL

Open in New Window

Select All

Answer : sql syntax

update pc_invoice
SET gid = LEFT(Title,14)