[snip] The same is true for any other value... Now that the columns have a NOT NULL constraint the records that previously contained NULL now hold '0'.
x y x 0 x z x 0 Now, how do you uniquely identify the 2nd and 4th rows? [/snip] The database would have thrown an error when you tried to create row 4. -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
