RE: FW: pls help for index problem

2001-10-28 Thread kmlau
[EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Subject: Re: FW: pls help for index problem Well, how many records are in the table? How many would be returned by the query you present? Is the SQL you show the FULL sql? What is the output of the EXPLAIN SELECT What about "SHOW INDEX FROM TAB

Re: FW: pls help for index problem

2001-10-24 Thread Bill Adams
u [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, October 24, 2001 9:42 AM > To: 'Bill Adams' > Subject: RE: pls help for index problem > > Thanks yr promptly reply !! > > It seems no any change(improvement) by running explain again after erase > quotes. I also ran

FW: pls help for index problem

2001-10-23 Thread kmlau
-Original Message- From: kmlau [mailto:[EMAIL PROTECTED]] Sent: Wednesday, October 24, 2001 9:42 AM To: 'Bill Adams' Subject: RE: pls help for index problem Thanks yr promptly reply !! It seems no any change(improvement) by running explain again after erase quotes. I al

Re: pls help for index problem

2001-10-23 Thread Bill Adams
kmlau wrote: > I encountered a problem about indexing. I want to add index on timerecord > field in table gw (shown as below) to speed up query relating with time. > However, I use explain command (explain select * from gw where timerecord = > '010902') to analyze the performace. As a resul

pls help for index problem

2001-10-23 Thread kmlau
hi, I encountered a problem about indexing. I want to add index on timerecord field in table gw (shown as below) to speed up query relating with time. However, I use explain command (explain select * from gw where timerecord = '010902') to analyze the performace. As a result, it seems the q