i've a need to change the name of a database and haven't done this before in
our live server.
while the tables are myisam, i'm not inclined to rename the dirname of d1's
datafiles because i'd rather not interrupt service for other databases and
i'd prefer if the renaming would replicate.
can i
16.3.1.9. Replication and LIMIT
Replication of LIMIT clauses in DELETE, UPDATE, and INSERT ... SELECT
statements is not guaranteed, since the order of the rows affected is not
defined. Such statements can be replicated correctly only if they also
contain an ORDER BY clause.
that you must use mysql 5.1.
Greetings,
Mattia.
2010/4/28 Tom Worster f...@thefsb.org:
16.3.1.9. Replication and LIMIT
Replication of LIMIT clauses in DELETE, UPDATE, and INSERT ... SELECT
statements is not guaranteed, since the order of the rows affected is not
defined. Such statements
Say tables a and b each have their own id column (primary key) and sundry
other columns. Table j has columns aid and bid to join a and b many-to-many.
Now, I want to select the joined a/b rows where the b rows are joined to (a
different set of) rows in a that meet condition x (which refers only
On 4/26/10 7:36 PM, Gary gp...@paulgdesigns.com wrote:
I cant seem to get this working.
$query=SELECT im.image_id, im.caption, im.where_taken, im.description,
im.image_file, im.submitted, kw.fox, kw.wolves, kw.wildlife, kw.american,
kw.scenic, kw.birds, kw.africa, kw.eagles, kw.hunter .
I'd go with the 4G 4-core server. If you're running apache and a sensible
OS, the extra cores can be helpful. So, unless you know you have a need for
very large key buffers, 4G should leave the OS plenty for FS cache.
Not that I actually have a clue. I really just wanted to be the first to
answer
On 2/7/10 7:28 AM, Anthony Urso antho...@cs.ucla.edu wrote:
Does the order of tuples in a bulk insert impact later query
performance? E.g. will sorting the rows before a bulk insert cause
queries to perform better for indexed or non-indexed fields?
when i load a large body of data (using
On 1/29/10 5:03 PM, mos mo...@fastmail.fm wrote:
I noticed the article didn't say how much money you'll save by not paying
through the nose for Oracle per server licensing, the cost of upgrading
your hardware to get some speed out of Oracle, or the cost of having to
hire one or more Oracle
it's not an innodb thing:
http://dev.mysql.com/doc/refman/5.0/en/create-table.html
Note
There can be only one AUTO_INCREMENT column per table, it must be indexed, and
it cannot have a DEFAULT value. An AUTO_INCREMENT column works properly only if
it contains only positive values. Inserting a
How about:
1 shut down the slave, upgrade it, restart it, let it catch up.
2 shut down the master, upgrade it, restart it, let the slave catch up.
?
On 1/12/10 12:34 PM, Lawrence Sorrillo sorri...@jlab.org wrote:
Hi:
I want to upgrade a master and slave server from mysql 4.1 to mysql
machine) . I can do what I am proposing in parallel.
Do you see it as problematic?
~Lawrence
Tom Worster wrote:
How about:
1 shut down the slave, upgrade it, restart it, let it catch up.
2 shut down the master, upgrade it, restart it, let the slave catch up.
?
On 1
On 1/7/10 3:10 PM, Matt Neimeyer m...@neimeyer.org wrote:
I'm trying to select names at random from a table that contains the
name and the frequency at which it is actually used in society. The
table is defined as follows:
CREATE TABLE `MaleNames` (
`Name_ID` int(11) NOT NULL
On 12/30/09 1:13 AM, Jeetendra Ranjan jeetendra.ran...@sampatti.com
wrote:
Hi,
My MySQL server Aborted_connects status is showing 8692 and is rapidly
increasing.
What are reasons and how do i decrease the same?
We are using connect() method in PHP code and have tried below command
On 12/18/09 12:41 PM, Douglas Nelson douglas.nel...@sun.com wrote:
You guys are incredibly naive, Oracle has promised to support MySQL for
the next 5 years.
thanks. you too.
Who better to have stewardship of a database product
then the leading database supplier.
almost anyone, since you
i have a large myisam table (about 3gb) that is updated once a day in the
middle of the night.
when it is not being updated, is there any reason not to copy it out with
rsync without shutting down the server or flush tables with read lock or
whatever?
--
MySQL General Mailing List
For list
On 12/14/09 1:49 AM, Claudio Nanni claudio.na...@gmail.com wrote:
If he really cared about MySQL he would have not sold it or prevent from
selling it to Sun.
i don't see the logic in this sentence.
--
MySQL General Mailing List
For list archives: http://lists.mysql.com/mysql
To
On 12/13/09 11:23 AM, Neil Aggarwal n...@jammconsulting.com wrote:
Doug:
I do not
see anyone willing to put up anything to support mysql... you
don't like
it... put up a billion dollars an take control or shut the heck up!
Assuming MySQL as it stands today is 100% open source,
I
of switching to Postgres,
to a fork, start a new project, or quit dba for other real open source
spirit journey.
The community and open spirit is important not the product.
Thats my view.
Thanks Monty, always, for your gift.
Claudio
On 14 dec 2009 19:36, Tom Worster f...@thefsb.org wrote:
On 12
i run mysqlhotcopy on each database once every three hours.
i happened to be running my cache warmer this afternoon, which logs timing
for a bunch of standard randomized queries, that when the backup script ran,
the query times increased by a factor of about 20 from a nice quick pace
back down to
On 12/7/09 5:26 AM, Victor Subervi victorsube...@gmail.com wrote:
Hi;
I posted this Saturday. Perhaps it's too challenging for those who read it
to answer. I hope someone can.
I need to write a select statement that enables me to select column 'ID'
from a table where a certain value is
i have two questions. (1) innodb? (2) why delete slave logs when you can
restart the slave with --skip-slave and then use CHANGE MASTER TO?
tom
On 12/4/09 6:34 AM, Robinson, Eric eric.robin...@psmnv.com wrote:
Let's face it, sometimes the master and slave get out of sync, even when
'show
On 12/4/09 11:59 AM, Robinson, Eric eric.robin...@psmnv.com wrote:
(2) why delete slave logs when you can
restart the slave with --skip-slave and
then use CHANGE MASTER TO?
Well... I guess mainly because I didn't know about that option! I
thought I needed to fake out mysql on this, but it
On 12/4/09 3:14 PM, Gavin Towey gto...@ffn.com wrote:
I would say that it's very important to know why data is getting out of sync
between your master and slave. Fixing those root causes would eliminate the
need for this.
i very much agree. the only instances of slaves getting out of whack
On 12/2/09 11:13 AM, David Shere dsh...@steelerubber.com wrote:
Tom Worster wrote:
how about using LEFT JOIN:
SELECT ...
FROM listings a
LEFT JOIN Transactions b ON b.PartNumber = a.PartNumber
This gives me a result set of 456,567 lines. I'm looking for a result
set of 60-70 lines
On 12/1/09 2:21 PM, David Shere dsh...@steelerubber.com wrote:
select distinct a.PartNumber as 'Part Number', (
select count(1)
from Transactions b
where b.PartNumber = a.PartNumber) as 'No. Sold'
from listings a
order by a.PartNumber
It currently takes 30 seconds to run.
De Meersman vegiv...@tuxera.be wrote:
They're not data modification statements, so no, they're not replicated.
On Sun, Nov 29, 2009 at 2:06 AM, Tom Worster f...@thefsb.org wrote:
Are SQL statements like CACHE INDEX or LOAD INDEX INTO CACHE replicated?
If so, is there a way to prevent
Are SQL statements like CACHE INDEX or LOAD INDEX INTO CACHE replicated?
If so, is there a way to prevent that replication?
If a slave mysqld restarts, wouldn't it need to execute CACHE INDEX and LOAD
INDEX INTO CACHE statements from its --init-file?
And if a master mysql restarts, would the
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