Subject | select max(id) |
---|---|
Author | Jan Agermose |
Post date | 2002-05-07T12:20:29Z |
why is that a select max(id) from XX where id is the primary key on XX
makes the query read the whole table? Isn't there a implicit index if
you declare a primary key?
Jan Agermose
[Non-text portions of this message have been removed]
makes the query read the whole table? Isn't there a implicit index if
you declare a primary key?
Jan Agermose
[Non-text portions of this message have been removed]