On 06/13/07 15:02, Kevin Hunter wrote: [snip]
'To enforce this rule without integrity constraints, you can use a trigger to query the department table and test that each new employee's department is valid. But this method is less reliable than the integrity constraint. SELECT in Oracle Database uses "consistent read", so the query might miss uncommitted changes from other transactions.'
Isn't it *supposed* to mis UNcommitted changes from other transactions? -- Ron Johnson, Jr. Jefferson LA USA Give a man a fish, and he eats for a day. Hit him with a fish, and he goes away for good!