An update for those actually paying attention.
I have been fighing unusual performance issues with replication between
FreeBSD 6.2 machines.
The unusual part is that while replication would never top 10 writes per
second (even while the master was taking hundres of writes per second),
the
Hi,
I'm reloading a backup and I'm getting loads of warnings like :
+-+--++
| Level | Code | Message|
+-+--++
| Warning | 1265 | Data truncated for column
Hello mysql,
I have a PHP script that I have written and it runs beautifully on
current MySQL and PHP sites BUT, it barfs on MySQL 4.0 because I am
using the DATE() to extract the Date from a timestamp. Does anyone
remember how to do an equivalent function in 4.0? I have searched
through hundreds
You would need to have an auto_increment field and your primary key
would be the item id (or what you call it) field + the auto_increment
field. Mysql will then handle incrementing the field if there is
already a record with the same item id. Usually the auto_increment
field will contain
It sounds to me like you might be trying to find the standard
deviation or the variance, which are functions you can use right in
your query.
On Nov 2, 2007, at 7:37 AM, Octavian Rasnita wrote:
Hi,
I have a table with the following columns:
symbol
date
value
I want to select all the
[EMAIL PROTECTED] wrote:
Hello mysql,
I have a PHP script that I have written and it runs beautifully on
current MySQL and PHP sites BUT, it barfs on MySQL 4.0 because I am
using the DATE() to extract the Date from a timestamp. Does anyone
remember how to do an equivalent function in 4.0? I
Kevin Waterson wrote:
I have a table of item
I wish to have the value of the item incremented if there is a duplicate.
I looked at ON DUPLICATE KEY UPDATE but this modifies the exsisting value.
If the item is my-item and this already exists, I need to make it my-item-2
or even my-item-123 where
If I have a large table with 20 million rows, is it going to be faster to
use one delete statement like:
delete from mytable where rcdid in(20,300,423, 9)
to delete 10-100 random records using the primary index RcdId
or should I use separate delete statements for each RcdId as in:
Good evening.
I have mysql cluster installed and I'm trying to start the mysql server with
a new user account recently created, and I'm having trouble accessing the
server with the new account.
[EMAIL PROTECTED] bin]# ./mysql -u usuario1 -p
Enter password:
ERROR 1045 (28000): Access denied
Hi
mos wrote:
If I have a large table with 20 million rows, is it going to be faster
to use one delete statement like:
delete from mytable where rcdid in(20,300,423, 9)
to delete 10-100 random records using the primary index RcdId
or should I use separate delete statements for each
Hi,
I have a problem with my foreign keys. I have the following two tables:
CREATE TABLE keylist (
KeylistId INTEGER NOT NULL,
UserId INTEGER NOT NULL,
PRIMARY KEY (KeylistId, UserId));
CREATE TABLE user (
UserId INTEGER NOT NULL PRIMARY KEY,
AdditionalKeylist INTEGER);
A
This one time, at band camp, Baron Schwartz [EMAIL PROTECTED] wrote:
INSERT INTO item (`key`)
SELECT CONCAT('my-item',
(SELECT IF(COUNT(*) = 0, '', CONCAT('-', COUNT(*)))
FROM item WHERE `key` LIKE 'my-item%'));
Kevin, this design is not first normal form and will cause you
On 03.11.2007 22:52 CE(S)T, Yves Goergen wrote:
Is my design bad?
I should explain why I do it this way at all. There's some other tables
in my system that need to keep a list of keys (i.e. user IDs) for
several actions. A message (one of the tables) has one keylist for read
access, one for
On Oct 31, 2007 3:22 AM, robert rottermann [EMAIL PROTECTED] wrote:
Hi there,
I have a strange problem.
I am using Server version: 5.0.45 SUSE MySQL RPM
I made a backup of a database by copying its directory like so:
mv urulu urulu_X
then I recreateded the database, played a little with it
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