Use analyze table to calculate cardinality. 

- Dathan Vance Pattishall
  - Sr. Programmer and mySQL DBA for FriendFinder Inc.
  - http://friendfinder.com/go/p40688


-->-----Original Message-----
-->From: Hsiu-Hui Tseng [mailto:[EMAIL PROTECTED]
-->Sent: Thursday, November 06, 2003 4:46 PM
-->To: [EMAIL PROTECTED]
-->Subject: cardinality in SHOW INDEX
-->
-->Hi,
-->
-->Some time I saw cardinality in SHOW INDEX is null. Why this
happening?
-->Then,
-->I did a OPTIMIZE TABLE on the table and the number was getting back.
-->
-->We are going to switch all of our table to innodb. Will innodb has
this
-->problem? If it happend, how to fix it in innodb. Using OPTIMIZE
TABLE? Is
-->innodb support OPTIMIZE TABLE?
-->
-->Thanks!
-->
-->Hsiu-Hui
-->
-->
-->--
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