ALTER TABLE tmp DROP COLUMN col_1, DROP COLUMN col_2, DROP COLUMN col_3,
DROP COLUMN col_4;
Or, for short, 
ALTER TABLE tmp DROP col_1, DROP col_2, DROP col_3, DROP col_4;

> -----Original Message-----
> From: Adam Fortuno [mailto:[EMAIL PROTECTED] 
> Sent: Tuesday, August 12, 2003 6:22 PM
> To: MySQL List
> Subject: Multiple items in an ALTER TABLE statement
> 
> 
> Was in the midst of doing something today and I attempted to drop a 
> number of columns in a table with the following:
> 
> ALTER TABLE tmp DROP COLUMN col_1, col_2, col_3, col_4;
> 
> Unfortunately MySQL gave me an error reading:
> 
> ERROR 1064: 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 'col_2, col_3, col_4' at line 1
> 
> Can you not have multiple columns names in an alter statement?
> 
> 
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