> I think I really misunderstood the directions for alter table, an I'm
> not sure how to fix this. I was trying to allow certain columns to be
> null in an existing table.
> I used the following syntax:
> ALTER TABLE users ALTER COLUMN title SET DEFAULT NULL;
> Now 'describe users;' shows extra columns with no titles.
Extra columns with no titles, what does that mean?
> A. What did that syntax do?
> B. How do I undo it?
> C. What is the proper syntax?
SET DEFAULT NULL has nothing to do with the null-ability of a column,
it has to do with the DEFAULT of a column.
Proper syntax:
http://dev.mysql.com/doc/refman/5.0/en/alter-table.html
Check out:
MODIFY [COLUMN] column_definitionMartijn ToniesDatabase Workbench - tool for
InterBase, Firebird, MySQL, Oracle & MS SQL ServerUpscene
Productionshttp://www.upscene.comDatabase development questions? Check the
forum!http://www.databasedevelopmentforum.com
--
MySQL General Mailing List
For list archives: http://lists.mysql.com/mysql
To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
