If you are trying to set the first 6 characters of your column to '111111'
then you can't use SUBSTRING on the LHS, but only from the RHS:
UPDATE CSV_Upload_Data SET PRACT_ASCII =
CONCAT(SUBSTRING(PRACT_ASCII, 1, 15), '111111',
SUBSTRING(PRACT_ASCII, 22))
WHERE Insertion_ID = 190716;
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Partha Dutta, Senior Consultant
MySQL Inc, NY, USA, www.mysql.com
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> -----Original Message-----
> From: shaun thornburgh [mailto:[EMAIL PROTECTED]
> Sent: Thursday, May 12, 2005 9:47 AM
> To: [email protected]
> Subject: UPDATE Query
>
> Hi,
>
> I am getting an error on the following query and but can't understand why,
> the syntax looks fine to me!
>
> mysql> UPDATE CSV_Upload_Data SET SUBSTRING(PRACT_ASCII, 16, 6) = '111111'
> WHERE Insertion_ID = 190716;
> ERROR 1064 (42000): You have an error in your SQL syntax; check the manual
> that corresponds to your MySQL server version for the right syntax to use
> near 'SUBSTRING(PRACT_ASCII, 16, 6) = '111111' WHERE Insertion_ID =
> 190716'
> at line 1
> mysql>
>
> Any advice would be greatly appreciated.
>
>
>
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