select
*
from
MainTable MT
left join Table1 T1 on MT.Main_ID = T1.MainID
left join Table2 T2 on MT.Main_ID = T2.MainID
left join Table3 T3 on MT.Main_ID = T3.MainID
where
T1.Source1_Name = anything or
T2.Source2_Name = anything or
T3.Source3_Name = anything
Not tested.
--
...@consultorweb.cnt.br]
Sent: Monday, July 27, 2009 1:09 PM
To: mysql@lists.mysql.com
Subject: Re: SELECT query question
select
*
from
MainTable MT
left join Table1 T1 on MT.Main_ID = T1.MainID
left join Table2 T2 on MT.Main_ID = T2.MainID
left join Table3 T3 on MT.Main_ID = T3.MainID
where
Table2 WHERE Source2_Name = 'name'
UNION
SELECT Main_ID FROM Table3 WHERE Source3_Name = 'name'
-Original Message-
From: João Cândido de Souza Neto [mailto:j...@consultorweb.cnt.br]
Sent: Monday, July 27, 2009 1:09 PM
To: mysql@lists.mysql.com
Subject: Re: SELECT query question
select
2009/3/12 Carl c...@etrak-plus.com:
I am still a little puzzled about how we could have a relatively large set
of records (100,000+) and yet not cause any table to be locked as the server
has only 8GB of memory.
What's the relationship you're implying between memory and locking?
Multi-version
suggestions also.
Carl
- Original Message -
From: Brent Baisley brentt...@gmail.com
To: Carl c...@etrak-plus.com
Sent: Thursday, March 05, 2009 1:12 PM
Subject: Re: Select query locks tables in Innodb
Ok, so you have 687 unique organization serial numbers. That's not
very unique
...@etrak-plus.com
Sent: Thursday, March 05, 2009 1:12 PM
Subject: Re: Select query locks tables in Innodb
Ok, so you have 687 unique organization serial numbers. That's not
very unique, on average it will only narrow down the table to 1/687 of
it's full size. This is probably the source of your
@lists.mysql.com
Sent: Wednesday, March 04, 2009 8:11 PM
Subject: Re: Select query locks tables in Innodb
I don't think it locks the tables. The behavior may be similar, but I
seriously doubt that's what's happening. Take a snapshot of SHOW
INNODB STATUS while this is going on. And use
ba...@xaprb.com
To: Brent Baisley brentt...@gmail.com
Cc: Carl c...@etrak-plus.com; mysql@lists.mysql.com
Sent: Tuesday, March 03, 2009 5:50 PM
Subject: Re: Select query locks tables in Innodb
On Tue, Mar 3, 2009 at 12:35 PM, Brent Baisley brentt...@gmail.com
wrote:
A SELECT will/can lock
Message -
From: Baron Schwartz ba...@xaprb.com
To: Brent Baisley brentt...@gmail.com
Cc: Carl c...@etrak-plus.com; mysql@lists.mysql.com
Sent: Tuesday, March 03, 2009 5:50 PM
Subject: Re: Select query locks tables in Innodb
On Tue, Mar 3, 2009 at 12:35 PM, Brent Baisley brentt...@gmail.com
2009/3/4 Carl c...@etrak-plus.com:
However, when I had all the pieces in the query
(copy attached), I could easily see it was locking tables using the Server
Monitor in Navicat.
I don't know what that is, but I think you'd better look at something
closer to the bone, like SHOW INNODB STATUS.
in the report query. It is a foreign key on one of the files that is used.
TIA,
Carl
- Original Message -
From: Baron Schwartz ba...@xaprb.com
To: Brent Baisley brentt...@gmail.com
Cc: Carl c...@etrak-plus.com; mysql@lists.mysql.com
Sent: Tuesday, March 03, 2009 5:50 PM
Subject: Re: Select
the isolation level but I believe it is whatever was set out of
the box (five years ago.)
Thanks,
Carl
- Original Message -
From: Perrin Harkins per...@elem.com
To: Carl c...@etrak-plus.com
Cc: mysql@lists.mysql.com
Sent: Wednesday, March 04, 2009 1:49 PM
Subject: Re: Select query
Carl,
Locked status in SHOW PROCESSLIST and a table being locked are
different. There is a bug in MySQL that shows Locked status for
queries accessing InnoDB tables in some cases. What version of MySQL
are you using?
The table is not really locked, you're just seeing that as a side
effect of
Carl,
Locked status in SHOW PROCESSLIST and a table being locked are
different. There is a bug in MySQL that shows Locked status for
queries accessing InnoDB tables in some cases. What version of MySQL
are you using?
The table is not really locked, you're just seeing that as a side
effect of
...@xaprb.com
To: Carl c...@etrak-plus.com
Cc: mysql@lists.mysql.com
Sent: Wednesday, March 04, 2009 2:29 PM
Subject: Re: Select query locks tables in Innodb
Carl,
Locked status in SHOW PROCESSLIST and a table being locked are
different. There is a bug in MySQL that shows Locked status
- Original Message - From: Baron Schwartz ba...@xaprb.com
To: Carl c...@etrak-plus.com
Cc: mysql@lists.mysql.com
Sent: Wednesday, March 04, 2009 2:29 PM
Subject: Re: Select query locks tables in Innodb
Carl,
Locked status in SHOW PROCESSLIST and a table being locked are
different
A SELECT will/can lock a table. It almost always does in MyISAM (no
insert/updates), almost never does in InnoDB. There is an exception to
every rule. The problem is most likely in the 107488 rows part of the
query. That's too many rows for InnoDB to keep a version history on so
it's likely just
On Tue, Mar 3, 2009 at 10:53 AM, Carl c...@etrak-plus.com wrote:
A query that is selecting data for a report locks the files that it accesses
forcing users who are attempting to enter transactions to wait until the
select query is finished.
Is it an INSERT INTO...SELECT FROM? Those lock.
On Tue, Mar 3, 2009 at 12:35 PM, Brent Baisley brentt...@gmail.com wrote:
A SELECT will/can lock a table. It almost always does in MyISAM (no
insert/updates), almost never does in InnoDB. There is an exception to
every rule. The problem is most likely in the 107488 rows part of the
query.
On Fri, May 23, 2008 at 11:20 PM, Velen [EMAIL PROTECTED] wrote:
Hi,
I wanted to know when doing a select query how is it executed :
If there is 1000 records with price10, 3000 records with flag='Y' and the
table contains 200,000 records.
Select code, description, price, flag from
Barry wrote:
Nenad Bosanac schrieb:
Hi I have one problem that i can`t resolve.
still need advice or is it solved?
IF!!! you need IF!! :)
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For list archives: http://lists.mysql.com/mysql
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On Monday 24 July 2006 09:05, Ratheesh K J wrote:
Hello All,
I run a select query to see its speed. It took around 5 seconds. Now i run
the same query simultaneously twice usng two instances of the client tool.
It took 10 seconds for both the queris to complete. Its not 5 secs + 5
secs. Both
On Monday 24 July 2006 09:06, Duncan Hill wrote:
On Monday 24 July 2006 09:05, Ratheesh K J wrote:
Hello All,
I run a select query to see its speed. It took around 5 seconds. Now i
run the same query simultaneously twice usng two instances of the client
tool. It took 10 seconds for both
Ratheesh K J wrote:
Hello All,
I run a select query to see its speed. It took around 5 seconds. Now i run the
same query simultaneously twice usng two instances of the client tool. It took
10 seconds for both the queris to complete. Its not 5 secs + 5 secs. Both the
queries were running
Nenad Bosanac schrieb:
Hi
I have one problem that i can`t resolve.
still need advice or is it solved?
--
Smileys rule (cX.x)C --o(^_^o)
Dance for me! ^(^_^)o (o^_^)o o(^_^)^ o(^_^o)
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For list archives: http://lists.mysql.com/mysql
To unsubscribe:
The schema of your contract should be like this:
Contract (id, level, ...)
where column 'id' is the primary key, isn't it?
If so, you can try this:
SELECT COUNT(id)
FROM contract
GROUP BY level
- Original Message -
From: Jay [EMAIL PROTECTED]
To: mysql@lists.mysql.com
Sent:
Thank you, Peng Yi-fan
but incase there is no contract with the level 5, it will not be shown.
I would like to see:
level amount
1 34
2 0
3 18
4 986
5 0
I could add it in the application, but I try to do it within the Query.
btw. the right join I mentioned,
The easiest thing to do would be to create an additional table
containing all the possible valid values for contract level, then join
on that table to show counts. Otherwise it's just not possible to show
what's not there - in your case, think of this: how would MySQL know to
show 5 when
Thank you Dan,
[...]
Otherwise it's just not possible to show
what's not there - in your case, think of this: how would MySQL know to
show 5 when there are no 5's, but not also show the count for every
other integer that's not there? (6, 7, 8, .. 1048576, 1048577, etc.)
[...]
Sure, easy to
No problem, glad to help.
I noticed your comment in an earlier message about it seeming like a
workaround - I don't think it seems like a workaround at all.
Having a table with the possible values makes for a normal database
structure, and an approach that should keep you from having to
On Wed, 2005-10-19 at 17:39 -0400, Anoop kumar V wrote:
I have 2 tables used for reporting and there are no primary keys or
indexes for either. I am trying to run a select query to identify some
rows that need to be removed. But for around 100,000 rows the query is
taking too long. Can
Unfortunately, I cannot create indexes for these tables. These are on
production and I cannot modify the tables in anyway.
Also, none of the columns are unique in nature - they just serve as a
reporting store.
Is there anyway that I can tune the select query itself and hope some
performance
Im a little confused by the query you posted.. it looks like it would
work, although with many redundant subqueries to get there. From your
requirement, I don't understand why you needs to wrap it in a self-
referencing subquery..
Why does this not give you the same logical value?
I think that this will work:
$query = SELECT page.*, url.* FROM `page` LEFT JOIN `keywords` USING
(`page_id`) LEFT JOIN URL USING (`page_id`) WHERE MATCH
(`keywords`.`keyword_txt`) AGAINST ('$keyword'
IN BOOLEAN MODE);
Shawn Green
Database Administrator
Unimin Corporation - Spruce Pine
On Fri, 8 Oct 2004 12:22:37 -0400, [EMAIL PROTECTED] said:
I think that this will work:
$query = SELECT page.*, url.* FROM `page` LEFT JOIN `keywords` USING
(`page_id`) LEFT JOIN URL USING (`page_id`) WHERE MATCH
(`keywords`.`keyword_txt`) AGAINST ('$keyword'
IN BOOLEAN MODE);
Sorry to
No. You only get one FROM clause, so it's SELECT columns FROM tables
See the manual for complete details of SELECT syntax
http://dev.mysql.com/doc/mysql/en/SELECT.html.
Michael
leegold wrote:
On Fri, 8 Oct 2004 12:22:37 -0400, [EMAIL PROTECTED] said:
I think that this will work:
$query =
You didn't try it, did you 8-).
In a nutshell a basic SELECT statement looks like:
SELECT /columns list/
FROM /tables list/
WHERE /conditions list/
The /columns list/ is where you specify all of the values you want from
the database, including constant and computed values
The /tables
Lorderon [EMAIL PROTECTED] wrote:
Mabye, is there a way to tell MySQL to limit the temporary table up to 500
rows? so, when a row is matching into the top 500 rows, the last row will be
dropped out (in case the table is on limit), and the new matched row will be
inserted into the right place
Daniel,
I have a database with the following (simplified) structure:
[Products]
ProductID
ProductName
[PurchaseRecords]
ProductID
CustomerID
I need to find all of the rows in the table Products which do not have
at least one corresponding row in PurchaseRecords. How do I translate
this
Ratna Rajesh Thangudu said:
my table looks like this :
code size
1n3j 14
1n3j 32
1n3j 37
1n9j 14
1n9j 32
1n9j 14
1nm4 14
1nm4 37
1nm4 32
1nmi14
1nmi14
1oo314
1oo314
1oo414
1oo414
I want to select those rows with 'size' 14, 32
Got it, thanks
SELECT PROJECTCODE.ID AS 'ID', PROJECTCODE.Name AS 'Reference', EVENT.ID,
EVENT.ID_PROJECTCODE FROM PROJECTCODE LEFT JOIN EVENT ON PROJECTCODE.ID =
EVENT.ID_PROJECTCODE WHERE EVENT.ID IS NULL ORDER BY PROJECTCODE.Name
-Original Message-
From: Luc Foisy
Sent: Thursday,
This is a common question. The syntax looks like this:
SELECT a.*
FROM tbl_a AS a LEFT JOIN tbl_b AS b
ON a.id = b.id
WHERE b.id.id IS NULL;
The idea is you're retrieving a recordset of the two tables where the rows
are joined on the id. For tbl_b, the id field has no value (its null)
Dan,
SELECT ResourceTable.* FROM ResourceTable
LEFT JOIN ResourceLinkTable
ON ResourceTable.ResourceID = ResourceLinkTable.ResourceID
WHERE ResourceLinkTable.ResourceID IS NULL;
Regards,
Thomas
On Thu, 30 Oct 2003, Dan Lamb wrote:
Hello All,
I have two table the look like this
Maybe like:
SELECT something FROM tablename
WHERE date_column
DATE_SUB(CONCAT(YEAR(NOW()),'-',MONTH(NOW()),'-','01'), INTERVAL @n
MONTH)
@n is the number of months you want. If you want data from the current
month, @n would be 0.
--
Diana Soares
On Mon, 2003-10-06 at 07:23, [EMAIL
Luis Lebron wrote:
I have a test results table that looks like this
student_id test_id score
1 1 90
1 1 100
1 1 80
2 1 95
2 1 85
2
On Mon, Jun 02, 2003 at 12:48:38PM +0200, Dejan Milenkovic wrote:
I have two tables, one is containing data about courses and the second one
is containing data about course start date.
Is it possible to list all courses with one query which should also return
earliest scheduled start dates
I didn't test it but you may try something like:
SELECT ddi, sum(tot_dur)
FROM table
GROUP BY ddi
ORDER BY ddi
On Mon, 2003-01-20 at 12:59, Steve Mansfield wrote:
Using mysql 3.23.51
I have a mysql table that holds records for telephone traffic.
The table fields are as follows:
id
RE: MySQL SELECT and COUNT or SUM
[EMAIL PROTECTED] wrote:
Your message cannot be posted because it appears to be either spam or
simply off topic to our filter. To bypass the filter you must include
one of the following words in your message:
sql,query,queries,smallint
If you just reply
At 14:38 -0700 12/28/02, Gloria L. McMillan wrote:
RE: MySQL SELECT and COUNT or SUM
Hi, all!
I think this SELECT command does almost what I need.
SELECT CW03survey.Q6, CW03survey.Q7, CW03survey.Q8
FROM CW03survey
WHERE CW03survey.Q3 = '1'
-Original Message-
From: Paul DuBois [mailto:[EMAIL PROTECTED]]
Sent: Saturday, December 28, 2002 6:44 PM
To: Gloria L. McMillan; [EMAIL PROTECTED]
Subject: Re: SELECT query
At 14:38 -0700 12/28/02, Gloria L. McMillan wrote:
RE: MySQL SELECT and COUNT or SUM
Hi, all
if you have an ms. windows machine for a front end,
i recommend that you download corereader from
http://CoreReader.com/ . ( it's free. ) it does
pointclick queries, so you can quickly experiment
with them until you get what you want.
it installs at the novice level, so set it to the
- 843.379.AIRE(2473)|
+--+
-Original Message-
From: John Ragan [mailto:[EMAIL PROTECTED]]
Sent: Thursday, October 03, 2002 10:47 AM
To: [EMAIL PROTECTED]; Chris Kay
Subject: Re: Select Query
if you have an ms. windows machine for a front
: Thursday, October 03, 2002 10:47 AM
To: [EMAIL PROTECTED]; Chris Kay
Subject: Re: Select Query
if you have an ms. windows machine for a front end,
i recommend that you download corereader from
http://CoreReader.com/ . ( it's free. ) it does
pointclick queries, so you can quickly
At 12:00 +1000 10/3/02, Chris Kay wrote:
Query ( that gets past the anti spam )
Question is..
I have a select where I want to get ID 15 id 25
Can I do something like WHERE ID = 15,25
Or do I have to do WHERE ID = 15 ID = 25
... WHERE ID IN (15,25)
-
-Original Message-
From: Paul DuBois [mailto:[EMAIL PROTECTED]]
Sent: Thursday, 3 October 2002 12:24 PM
To: Chris Kay; [EMAIL PROTECTED]
Subject: Re: Select Query
At 12:00 +1000 10/3/02, Chris Kay wrote:
Query ( that gets past the anti spam )
Question
Chris Kay wrote:
Query ( that gets past the anti spam )
Question is..
I have a select where I want to get ID 15 id 25
Can I do something like WHERE ID = 15,25
I don't think this will work,
In SQL you can do WHERE id IN (15, 25)
This IN() function doesn't seems working in MYSQL
MySQL doesn't support sub-selects...You must use joins and temporary
tables. Check:
http://www.mysql.com/doc/A/N/ANSI_diff_Sub-selects.html
it gives some info about it.
On Fri, 2002-07-12 at 16:37, Narcis GRATIANU wrote:
When I try this:
SELECT article, dealer, price
FROM shop s1
Hi,
Sorry but MySQL does not support subqueries yet.
Bye and Good Luck!
--- Narcis GRATIANU [EMAIL PROTECTED]
wrote:
When I try this:
SELECT article, dealer, price
FROM shop s1
WHERE price=(SELECT MAX(s2.price)
FROM shop s2
WHERE s1.article =
i made the change, but it looks like it didn't speed the query up at all.
here are the results from the first explain:
mysql explain select TIME_STAMP, YIADDR from RADPOOL where STATE=0 and
POOL='GLOBAL-POOL-SJC' ORDER BY TIME_STAMP limit 1;
[mailto:[EMAIL PROTECTED]]
Sent: Wednesday, April 10, 2002 8:47 AM
To: Lopez David E-r9374c; [EMAIL PROTECTED]
Subject: RE: select query optimization
i made the change, but it looks like it didn't speed the query up at all.
here are the results from the first explain:
mysql explain select
Hi.
(I am replying to the wrong mail, because I already delete the one
from Steve...)
The slow part is probably the using filesort. I am not sure, if it
will work, but try a key over all used column, i.e.
INDEX ( POOL, STATE, TIMESTAMP )
If it works (i.e. if MySQL correctly sees that it can
ben,
I did that about three minutes after I got Davids email. Things seem to be
working a lot faster now, and the using filesort is gone. i am assuming
there isn't much more i can do to make this thing faster, but anything else
i can do would be awesome!
heres is the explain:
mysql explain
Hi.
As I said, or at least, tried to say, a key over all used columns
should help. Adding the column from ORDER BY avoids the using
filesort. Adding YIADDR (which I simply overlooked last time) should
add using index, as I mentioned. This means, that the data file is
not touched at all, but only
Steve
Have you tried using compound index:
INDEX( POOL, STATE )
Just a thought.
David
-Original Message-
From: Steve Katen [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, April 03, 2002 10:13 AM
To: [EMAIL PROTECTED]
Subject: select query optimization
i am running a basic install of
Thanks Nathan,
I think I will go with
SELECT * FROM table_name WHERE Name LIKE
'%$name%';
NOBBY
- Original Message -
From: Nathan Bank [EMAIL PROTECTED]
To: Tshering Norbu [EMAIL PROTECTED]
Sent: Friday, February 08, 2002 12:25 PM
Subject: Re: SELECT query with TRIM and LIKE
What
Hi,
Table 1: names
Id | name
15 | George
16 | Suzy
Table 2 : scores_1
Id | score
15 | 85
15 | 60
15 | 70
15 | 95
Table 3 : scores_2
Id | score
15 | 50
15 | 55
15 | 60
15 | 45
What I want to end up with is a selection that would pick up George and his
highest score on score_1
PM
To: Woolsey, Fred
Cc: '[EMAIL PROTECTED] '
Subject: Re: SELECT Query in PHP
I think the worst part about the books is that with things like PHP,
Apache and MySQL, by the time you find (i.e. from browsing at the local
library) and sit down to learn, it's talking about MySQL 3.22, Apache
1.2
'; 'Woolsey, Fred'
Cc: [EMAIL PROTECTED]
Subject: RE: SELECT Query in PHP
Yes, I think HTML, mySQL and PHP is a marriage made in heaven but...
Online docs is like reading stereo instructions in a foreign language
most of the time. I tried the webmonkey.com tutorial and it was ok..
Funny thing
I am a newbie at this and I cannot find the damn answer to it! I want
to display the table in an html format with PHP but I cannot get it to
work! With MS SQL Server it was sooo easy! With PHP and mySQL it's a
pain in the butt! I cannot find any documentation on this and I order 3
books
Any books that you buy will probably be derived from:
http://www.mysql.com/documentation/mysql/bychapter/
http://www.php.net/manual/en/
Regards,
Gary SuperID Huntress
===
FreeSQL.org offering free database hosting to developers
Visit
Funny... I find the PHP, HTML and MySQL combo to be a marriage made in
heaven. Also, I have not yet seen a book (and I've bought a few of them)
that beats the PHP and MySQL documentation available for free on the
web. Follow the URLs in the other e-mails and you will find the truth...
OK, maybe
I think the worst part about the books is that with things like PHP,
Apache and MySQL, by the time you find (i.e. from browsing at the local
library) and sit down to learn, it's talking about MySQL 3.22, Apache
1.2, and PHP3.
Nothing beats the online documentation.. amen to that. :)
You
To: Woolsey, Fred
Cc: '[EMAIL PROTECTED] '
Subject: Re: SELECT Query in PHP
I think the worst part about the books is that with things like PHP,
Apache and MySQL, by the time you find (i.e. from browsing at the local
library) and sit down to learn, it's talking about MySQL 3.22, Apache
1.2, and PHP3
- Original Message -
From: Craig Meyers [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Wednesday, July 04, 2001 3:20
Subject: SELECT query
List,
Our site is running mysql server version 3.22.32
I'm a power user - not the DBA, so forgive my ignorance.
Is it possible to corrupt data
That makes sense, sound like I'm redoing in PHP what the UNIQUE column
already does.
So all I need to do is modify my PHP trap using mysql_affected_rows() =
0, retun a error messagu to the used indicating a rcord already exists.
Will try it, THX!
Pete
Paul DuBois wrote:
At 5:46 PM -0500
Peter,
That comes pretty close to the distinct -thread in this mailinglist.
You might want to try:
SELECT device, count(hostname)
FROM your_table
GROUP BY device
HAVING count(hostname)1;
This would display all devices with at least 2 (or more) hostnames.
If you always have the same IP address,
Hi,
How would a word a select statment, to search a database for duplicate
entries in one field.
For example, the fields: device, hostname, IP, comments
I want to find all instances where there my be two devices with the same
hostname.
Thanks!
Pete
Sir, try the following.
SELECT DISTINCT
Thanks Paul!
ps works great!
I modified the database with a UNIQUE column like you recommended
earlier, this will now help in the PHP script to trap the duplicate
entry and advise the user of the dup.
?
// check for duplicate row
$query = SELECT hostname, COUNT(*) AS count FROM asset
At 5:46 PM -0500 6/27/01, Pete Kuczynski wrote:
Thanks Paul!
ps works great!
I modified the database with a UNIQUE column like you recommended
earlier, this will now help in the PHP script to trap the duplicate
entry and advise the user of the dup.
But if hostname now has a UNIQUE index on it,
On 6/7/01 5:33 PM, Gary Huntress [EMAIL PROTECTED] wrote:
I'll bet it's a roundoff problemtry select * from sequence_protein where
mol_wt 53211.62 and mol_wt 53211.63
Regards,
Gary SuperID Huntress
===
FreeSQL.org offering free
Switch the column type to double.
From the manual:
If you are comparing FLOAT or DOUBLE columns with numbers that have
decimals, you can't use =! This problem is common in most computer
languages because floating-point values are not exact values:
mysql SELECT * FROM table_name WHERE
When comparing float values, you have to use '' around the value.
Your query should look like this:
select distinct sequence_id from sequence_protein where mol_wt = '53211.62';
- Original Message -
From: Hannes Niedner [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, June 07,
On 6/7/01 4:50 PM, Eric Fitzgerald [EMAIL PROTECTED] wrote:
When comparing float values, you have to use '' around the value.
Your query should look like this:
select distinct sequence_id from sequence_protein where mol_wt = '53211.62';
Ok, I should have mentioned that I tried the quotes.
On Fri, 04 May 2001, Roger Karnouk wrote:
Something like this should work:
select ip, mac, count(mac)
from ipmac
group by ip,mac having count(mac) 1
hope this helps
Yes! Thanks Roger - this is just the thing.
group by ip, mac having count(mac) 1
returns nothing, but if we use
group by
supposed you numbered all rows in the table incrementally in field nid:
select mydata from mytable where mod(nid, N)=offset;
fill in N and offset (0..n-1)
On Sat, 28 Apr 2001 14:26:46 +0400
Igor V Yermakov [EMAIL PROTECTED] wrote:
i have 400 rows in my mysql database table
and i wont get
85 matches
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