Thank you for you answer.
I try your suggestion but I'm getting the followin error:
Error Code : 1064
You have an error in your SQL syntax; check the manual that corresponds to
your MySQL server version for the right syntax to use near 'return
ceil(x+x*0.25)
when x=50 AND x100 then
Hi
Simply go with either of these:
1. 'mysqldump' the current database, drop it and create a new database.
Move the dumped data into the new database.
or
2. Stop mysqld. Rename the database folder in the datadirectory. Start the
server and grant access permissions
Thanks
ViSolve DB
Hi,
I sent a mail to this list almost a year ago asking if our current way of
keeping some of our tables memory could be improved by using the cluster-engine
since we were getting problems with too long locks.
A few people suggested I should use innodb and said it should be able to handle
the
Chris,
On Thursday 07 December 2006 16:34, Ed Reed wrote:
Thanks for the quick reply Chris.
It's close but it's a little off. Your example also returns all
instances that where the letter N exists in another words as well
SELECT SUBSTRING(value,2) as value_num, value FROM num_test
I have a query running within a project from a Windows machine retrieving
data from a Linux Source the query works perfectly. If i upload the exact
same project to the Linux machine and run it the query doesnt work ??!!??
the query string is ...
SELECT DISTINCT ID, BatchID FROM Contacts WHERE
1. 'mysqldump' the current database, drop it and create a new database.
Move the dumped data into the new database.
This should work with any engine.
2. Stop mysqld. Rename the database folder in the datadirectory. Start
the server and grant access permissions
This does imho only work
I have a query running within a project from a Windows machine retrieving
data from a Linux Source the query works perfectly. If i upload the exact
same project to the Linux machine and run it the query doesnt work ??!!??
the query string is ...
SELECT DISTINCT ID, BatchID FROM Contacts
Can anyone point me in the direction of some examples of using the
libmysqclient API for reading/writing blobs ?
I'm currently reading the data from some dynamic SQL using
mysql_stmt_bind_result mysql_stmt_fetch - and want to add the BLOB
datatypes
TIA
--
Mike Aubury
--
MySQL
Field was wrongly named - Cheers!
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Hi,
Is it possible to have logs for each database into differnt files ?
Rather on single file with log=/var/log/mysqld.log.
--
Sachin Sharma
Sr. Engineer Systems (Linux)
Net4India Ltd.
D-25
Sector 3
Noida-201301
INDIA
Tel: 0120-5323500
Fax: 0120-5323520
URL: http://www.net4.in
Is it possible to restrict the range that can be put in a floating point, or
other data type that allows decimal numbers. The data being stored will be
that of the result of chemical analysis. The result could very well be
2.41however it would never be
24.1 so i want to ensure that a simple typo
David,
please send the entire .err file to me, zipped.
Please tell the exact MySQL version you are using.
Best regards,
Heikki
Oracle Corp./Innobase Oy
InnoDB - transactions, row level locking, and foreign keys for MySQL
InnoDB Hot Backup - a hot backup tool for InnoDB which also backs up
You could use triggers to check for sane values on fields and rollback
if not sane.
http://dev.mysql.com/doc/refman/5.0/en/triggers.html
You'd need to handle the rollback in your frontend app.
Dan
On 12/8/06, Christian High [EMAIL PROTECTED] wrote:
Is it possible to restrict the range that
Looks like this was sent just to me - no knowledge of it myself, but
here you go.
-Dan
-- Forwarded message --
From: Nicholas Vettese [EMAIL PROTECTED]
Date: Dec 8, 2006 6:29 AM
Subject: RE: How to get started on MySQL
To: Dan Buettner [EMAIL PROTECTED]
What about Larry
Hi everybody,
We've been badly hit by a very interesting problem: an index gets into a
disabled state if, during the filling up of a table containing a column
having the said index, one only *looks* at the data which is being loaded!
=:-o
In other words I start with DROP TABLE after which I
On 12/7/06, David Sparks [EMAIL PROTECTED] wrote:
Kevin Old wrote:
Hello everyone,
We have a 4 CPU master server running the 5.0.27 RPM x86_64 version of
MySQL with a mix of InnoDB and MyISAM tables.
We normally run at 1500 queries/per second and lately, the server will
all of a sudden
Hi,
How much memory do you have on your system ? (the current setting in your
my.cnf could eat *a lot* of memory)
Thanks,
Jocelyn Fournier
www.mesdiscussions.net
On 12/7/06, David Sparks [EMAIL PROTECTED] wrote:
Kevin Old wrote:
Hello everyone,
We have a 4 CPU master server running
[EMAIL PROTECTED] wrote:
Hi,
How much memory do you have on your system ? (the current setting in your
my.cnf could eat *a lot* of memory)
min_memory_needed = global_buffers + (thread_buffers * max_connections)
thread_buffers
---+-
sort_buffer_size
We have 16GB total, but are only using 8GB (according to mysql and our dbadmin).
Kevin
On 12/8/06, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
Hi,
How much memory do you have on your system ? (the current setting in your
my.cnf could eat *a lot* of memory)
Thanks,
Jocelyn Fournier
I'm looking for a free, perhaps open source, case tool for MySQL 5.x.
(Older MySQL 4.0 case tools may not work because of the changes to pw
security in 4.1 and later)
I tried MySQL Workbench 1.1.5 alpha but I keep getting errors The
following error occurred while launching the object editor.
On 12/8/06, Philip Mather [EMAIL PROTECTED] wrote:
So something like 15G, that's not that bad. I'd run mtop as someone suggested
and see if some query is hammering it, maybe some other process on the machine
is hogging or going IO bound?
Thanks. We are watching the queries. The pattern
mos,
I'm looking for a free, perhaps open source, case tool for MySQL 5.x.
(Older MySQL 4.0 case tools may not work because of the changes to pw
security in 4.1 and later)
I tried MySQL Workbench 1.1.5 alpha but I keep getting errors The
following error occurred while launching the object
On Friday 08 December 2006 01:57, Philip Mather wrote:
You'll need a regex, see these...
http://dev.mysql.com/doc/refman/4.1/en/pattern-matching.html
http://dev.mysql.com/doc/refman/4.1/en/string-comparison-functions.html
http://dev.mysql.com/doc/refman/4.1/en/regexp.html
Yes, you could use a
Hello,
When I run a DELETE FROM table_name, my primary key field is reset
back to 1. Is there any way for it to not do this? Preferably, if
there were 1000 records in table_name, and I ran DELETE FROM
table_name, that the primary key field would start at 1001.
This is an InnoDB table
try the DELETE with the WHERE clause
e.g.
DELETE FROM table_name WHERE 1=1
saqib
http://www.full-disk-encryption.net
On 12/8/06, Adam Zerlin [EMAIL PROTECTED] wrote:
Hello,
When I run a DELETE FROM table_name, my primary key field is reset
back to 1. Is there any way for it to not do this?
Kevin Old wrote:
On 12/8/06, Philip Mather [EMAIL PROTECTED] wrote:
So something like 15G, that's not that bad. I'd run mtop as someone
suggested and see if some query is hammering it, maybe some other
process on the machine is hogging or going IO bound?
Thanks. We are watching the
Ysgrifennodd Philip Mather:
http://fabforce.net/dbdesigner4/ ...is pretty funky and meets the
requirements.
Phil
But had, the last time I looked, been discontinued in favour of MySQL
Workbench.
Have you (the OP, that is) tried to sort out why MySQL Workbench isn't
playing? I have it on my
Thanks for the responses guys however I was running out the door
yesterday and I oversimplified my problem. Sorry about that, let me
try again.
Here is my status_histories table with some data:
id order_id code type
created_at
79 1
Ysgrifennodd Tim McIntyre:
Thanks for the responses guys however I was running out the door
yesterday and I oversimplified my problem. Sorry about that, let me
try again.
Here is my status_histories table with some data:
id order_id code
type
I tried that Peter and for some reason it's still selecting the
oldest date not the newest??? Seems odd? Also I'd really like to
just select id because I'll be using this in a subselect.
Thanks!
Tim
On Dec 8, 2006, at 10:31 AM, Peter Bradley wrote:
Ysgrifennodd Tim McIntyre:
Thanks for
Ysgrifennodd Tim McIntyre:
I tried that Peter and for some reason it's still selecting the oldest
date not the newest??? Seems odd? Also I'd really like to just select
id because I'll be using this in a subselect.
Thanks!
Tim
SELECT s1.order_id
FROM status_histories s1
WHERE s1.type =
Next pint is on me Peter;-) The following turned out to be exactly
what I needed:
SELECT s1.id
FROM status_histories s1
WHERE s1.type = 'StatusHistoryOrder'
AND s1.code = 1
AND s1.created_at = (SELECT MAX(s2.created_at)
FROM status_histories s2
Hi,
I have two tables:
orders -
orderid int(11) [UNIQUE]
total decimal(12,2)
source varchar(64)
[...]
order_details -
orderid int(11)
amount int(11)
[...]
The 'orders' table holds basic information about the order (customer,
sales tax, etc.) and the 'order_details' table holds products
Ysgrifennodd Tim McIntyre:
Next pint is on me Peter;-) The following turned out to be exactly
what I needed:
SELECT s1.id
FROM status_histories s1
WHERE s1.type = 'StatusHistoryOrder'
AND s1.code = 1
AND s1.created_at = (SELECT MAX(s2.created_at)
FROM
hi...
i'm looking at what is probably a basic question.
i have a tbl with
-id
-action
-status
-date
ie:
id action statusdate
1 0 1
1 1 2
1 2 3
-
2 0
Try this on for size:
SELECT DISTINCT id FROM tbl
WHERE id NOT IN (SELECT id FROM tbl WHERE action = 1)
The subselect will only work in 4.1 and later I think.
Dan
On 12/8/06, bruce [EMAIL PROTECTED] wrote:
hi...
i'm looking at what is probably a basic question.
i have a tbl with
-id
bruce wrote:
hi...
i'm looking at what is probably a basic question.
i have a tbl with
-id
-action
-status
-date
ie:
id action statusdate
1 0 1
1 1 2
1 2 3
-
2
Ysgrifennodd bruce:
hi...
i'm looking at what is probably a basic question.
i have a tbl with
-id
-action
-status
-date
ie:
id action statusdate
1 0 1
1 1 2
1 2 3
-
I see several values set to '18446744073709551615', which is an
insanely large number for any memory setting (16.7 million terabytes
unless my math is wrong; huge in any case).
There was another person on the list earlier this year who had a
similar problem with large numbers, IIRC. I'd adjust
Hi,
I recently upgraded a MySQL installation to 4.1.21.
I'm running Gentoo linux and the MySQL upgrade occurred
as a part of a system-wide software upgrade (emerge -uDv world).
Unfortunately I don't know which was my previous version installed.
Anyway, after the upgrade one of my MySQL tables
hi peter.
thanks, the solution you gave me is close...!!
my actual data is:
mysql select * from SvnTBL;
+--+--+--+-++
| universityID | actionID | statusID | _date | ID |
Is there anyway to use RegExp in a field parameter? What would be great
is if I could do this,
SELECT Trim(Both RegExp '[a-z]' From value) as value_num, value
FROM num_test
WHERE value REGEXP 'N[1-999]';
The biggest problem is trying to find the position of where the number
starts in the string
Just add a DISTINCT:
SELECT DISTINCT t1.universityID FROM SvnTBL t1 WHERE t1.universityID NOT IN
(SELECT t2.universityID FROM SvnTBL t2 WHERE t2.actionID = 2);
Dan
On 12/8/06, bruce [EMAIL PROTECTED] wrote:
hi peter.
thanks, the solution you gave me is close...!!
my actual data
At 09:58 AM 12/8/2006, you wrote:
mos,
I'm looking for a free, perhaps open source, case tool for MySQL 5.x.
(Older MySQL 4.0 case tools may not work because of the changes to pw
security in 4.1 and later)
I tried MySQL Workbench 1.1.5 alpha but I keep getting errors The
following error
Ysgrifennodd bruce:
hi peter.
thanks, the solution you gave me is close...!!
snip
what i really want to get is:
+--+
| universityID |
+--+
|2 |
|3 |
+--+
which would be the unique 'id's.
i've tried to do a 'limit' and group, but
dan...
thanks!!! like a charm.. now for the other 200 queries i'm dealing with!!
-Original Message-
From: Dan Buettner [mailto:[EMAIL PROTECTED]
Sent: Friday, December 08, 2006 1:40 PM
To: [EMAIL PROTECTED]
Cc: Peter Bradley; mysql@lists.mysql.com
Subject: Re: RE: query question...
Thanks for the reply but that didn't do it.
I believe I've got this to work by performing the following steps:
DELETE FROM table_name (1000 rows)
INSERT INTO table_name(column) VALUES(value)
DELETE FROM table_name
Now when I perform another INSERT, the primary key starts at 1001.
Adam Zerlin
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