Asma,
Friday, July 12, 2002, 2:15:42 PM, you wrote:
AA> does it means when a column has an index, the records inside will no longer
AA> duplicate?
Nope. It will be true if you create _unique_ index or primary key. If
you create 'simple' index column can contain duplicated records.
http://www.mysql.com/doc/C/R/CREATE_INDEX.html
http://www.mysql.com/doc/I/n/Indexes.html
http://www.mysql.com/doc/M/y/MySQL_indexes.html
AA> if so, i can't put an index to that column because that record need to be
AA> duplicate
--
For technical support contracts, goto https://order.mysql.com/?ref=ensita
This email is sponsored by Ensita.net http://www.ensita.net/
__ ___ ___ ____ __
/ |/ /_ __/ __/ __ \/ / Victoria Reznichenko
/ /|_/ / // /\ \/ /_/ / /__ [EMAIL PROTECTED]
/_/ /_/\_, /___/\___\_\___/ MySQL AB / Ensita.net
<___/ www.mysql.com
---------------------------------------------------------------------
Before posting, please check:
http://www.mysql.com/manual.php (the manual)
http://lists.mysql.com/ (the list archive)
To request this thread, e-mail <[EMAIL PROTECTED]>
To unsubscribe, e-mail <[EMAIL PROTECTED]>
Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
