well, i am using delete/insert-statements since 10 years to maintain
users since you only have to know the tables in the database "mysql"
and use "flush privileges" after changes
DROP USER is the only SINGLE COMMAND
as long as you do not use table/column-privileges there are exactly
two relevant
DROP USER command is the only command to remove any user and its
association from all other tables.
Cheers
On Fri, Dec 2, 2011 at 8:22 AM, Reindl Harald wrote:
> ALWAYS
> start with "select * from mysql.user where user='mail_admin' and host like
> '\%';"
> and look what records are affected
ALWAYS
start with "select * from mysql.user where user='mail_admin' and host like
'\%';"
and look what records are affected to make sure the were-statement works as
expected and then use "CURSOR UP" and edit the last command to "delete from"
not only doing this while unsure with escapes protects
You can try
delete from mysql.user
where user='mail_admin'
and host like '\%' ;
Note: I haven't tested it and since % is a wildcard you need to escape it.
Best,
Shiv
On Thu, Dec 1, 2011 at 6:09 PM, Tim Dunphy wrote:
> Hello Krishna,
>
>
> Thanks but I probably should have noted that I only
On 2011-12-02, Tim Dunphy wrote:
>
> Thanks but I probably should have noted that I only want to delete the
> wildcard user. There are other users I would prefer to not delete.
>
> mysql> select user,host from mysql.user where user='mail_admin';
> ++---+
>| user
Hello Krishna,
Thanks but I probably should have noted that I only want to delete the wildcard
user. There are other users I would prefer to not delete.
mysql> select user,host from mysql.user where user='mail_admin';
++---+
| user | host
delete from mysql.user where user='mail_admin';
Krishna
On Fri, Dec 2, 2011 at 7:23 AM, Tim Dunphy wrote:
> hello list,
>
> I am attempting to delete a user from the mysql.user table without
> success.
>
> mysql> delete from mysql.user where user='mail_admin@%';
> Query OK, 0 rows affected (
hello list,
I am attempting to delete a user from the mysql.user table without success.
mysql> delete from mysql.user where user='mail_admin@%';
Query OK, 0 rows affected (0.00 sec)
mysql> select user,host from mysql.user where user='mail_admin';
++---+
| u
Hi,
I have a support case with MySQL opened on this subject. Here is what we were
able to come up with.
1. Create the table with the primary key and unique key constraints defined
but no secondary indexes.
2. Bump up InnoDB logs to 2M and especially memory to the highest there can
be.
Hi,
You should check pt-archiver.
http://www.percona.com/doc/percona-toolkit/pt-archiver.html
"The goal is a low-impact, forward-only job to nibble old data out of the table
without impacting OLTP queries much."
This tool can copy data and insert in another table in chunks of data. The
destin
how to break the table into 100,000 chunks?
thanks
From: Claudio Nanni
To: Angela liu
Cc: "mysql@lists.mysql.com"
Sent: Thursday, December 1, 2011 2:24 PM
Subject: Re: best way to copy a innodb table
Sure you can, and you should.
but in case you also upd
Sure you can, and you should.
but in case you also update/delete rows from the first table you have to
set up trigger to log changes.
if you are lucky (only inserts) then its easier.
Cheers
Claudio
2011/12/1 Angela liu
> Hi, folks:
>
>
> I have a situation:
>
> A large innodb table t1 with 45
Even more stuff inline there
>
> Actually, the gas tank is a good analogy.
>
> There is limited volume in a vehicle which must contain the tank. In this
> analogy, the vehicle must have space for not just fuel but passengers, cargo,
> engine, transmission, etc. The fact that the tank may
Am 01.12.2011 19:42, schrieb Stdranwl:
> Many thanks, I wanted to finalized on RAM requirement for one of my server so
> do we
> have any calculation method to choose intial RAM?
depends on the used storage engines, buffer-pools, data-size etc.
with myISAM you need only all per-connection-b
Many thanks, I wanted to finalized on RAM requirement for one of my server
so do we have any calculation method to choose intial RAM?
On Fri, Dec 2, 2011 at 12:06 AM, Reindl Harald wrote:
>
>
> Am 01.12.2011 18:56, schrieb Stdranwl:
> > Hi, will it help to use swap memory on MYSQL's VM. We are in
Am 01.12.2011 18:56, schrieb Stdranwl:
> Hi, will it help to use swap memory on MYSQL's VM. We are in planning to
> use 10GB RAM and 10 GB as swap on a perticular server? thanx
SWAP is always bad and should only be a reserve
so normally you should have as much memory as needed for the applicat
Hi, will it help to use swap memory on MYSQL's VM. We are in planning to
use 10GB RAM and 10 GB as swap on a perticular server? thanx
First off, as part of this bit of mayhem I found an answer for the recent (and
common) question how to verify if the server is properly started with
skip-name-resolve, as there's no status variable for that: if you perform a
grant on a hostname instead of an IP, it'll spew a warning at you :-)
18 matches
Mail list logo
