On Feb 10, 2008 5:30 PM, Yves Goergen [EMAIL PROTECTED] wrote:
My problem is that the sub-select in line 7 (SELECT 1) takes a rather
long time. (When I remove it, it's much faster.)
This is a known issue with EXISTS/NOT EXISTS subqueries in MySQL,
which has some fixes slated for MySQL 6. In
On 11.02.2008 19:51 CE(S)T, Perrin Harkins wrote:
On Feb 10, 2008 5:30 PM, Yves Goergen [EMAIL PROTECTED] wrote:
My problem is that the sub-select in line 7 (SELECT 1) takes a rather
long time. (When I remove it, it's much faster.)
This is a known issue with EXISTS/NOT EXISTS subqueries in
I have two different databases on the same 5.0 server that have the same
tables and structure. They also have very nearly the same data. For one
of the tables I'd like to run a query to find the records that are present
in one database but not the other. Is this possible and what would such
Yves
Is there some way to get only the headlines ...
For brief discussion some examples see 'The [Not] Exists query
pattern' at http://www.artfulsoftware.com/infotree/queries.php.
PB
Yves Goergen wrote:
On 11.02.2008 19:51 CE(S)T, Perrin Harkins wrote:
On Feb 10, 2008 5:30 PM, Yves
On Feb 11, 2008 4:46 PM, Yves Goergen [EMAIL PROTECTED] wrote:
Thank you for the link. Is there some way to get only the headlines and
a summary for all entries? Reading through the entire contents by month
and finding the misleading captions is hard work for such masses of
content. The search
Yves
If user.additionalkeylist and tag.readaccesskeylist are not lists,
naming them `...list` misleads distracts.
You asked earlier how to fit my preliminary solution into your problem.
The answer is to (i) write the query that lists access-denied messages,
then (ii) write a simple
Yves,
Okay. Then the long form.
1. user.additionalkeylist and tag.readaccesskeylist are atomic despite
their names?
2. You have reciprocal foreign keys, keylist.key referencing
user(userID) and user.additionalkeylist referencing keylist.keylistID?
PB
Yves Goergen wrote:
On 11.02.2008
Hi,
this Thursday, Iggy Galarza will give a MySQL University session:
http://forge.mysql.com/wiki/Building_MySQL_on_Windows
Please register for this session by filling in your name on the session
Wiki page. Registering is not required but appreciated. That Wiki page
also contains a section to
James;
This finds common rows.
Eh!? ... HAVING COUNT(*)=1 returns ONLY pairs that are different:
drop table if exists a,b;
create table a(i int,j int,k int);
insert into a values(1,10,100),(2,20,200),(3,30,300);
create table b select * from a;
update b set k=301 where k=300;
select * from a;
On 11.02.2008 20:13 CE(S)T, Peter Brawley wrote:
If user.additionalkeylist and tag.readaccesskeylist are not lists,
naming them `...list` misleads distracts.
Well, these fields contain KeylistId values from the keylist table, so
I thought naming them *Keylist would be good enough.
But on
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
I found this a while back and it seems to work just fine. It uses
launchd rather than the old /Library/StartupItems folder
http://blog.tomatocheese.com/archives/2007/11/1/migrating_mysql_to_mac_os_x_leopard/
Regards,
Grant Limberg
[EMAIL
On 11.02.2008 17:32 CE(S)T, Peter Brawley wrote:
1. user.additionalkeylist and tag.readaccesskeylist are atomic despite
their names?
Yes, I forgot the types. Everything is scalar, varchar or integer. There
are not set or otherwise complex data types.
2. You have reciprocal foreign keys,
I'm running into a difficult to reproduce problem with a view which is
similar to the following:
CREATE TABLE Common (
COMMON_ID INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
COMMON_NAME VARCHAR(50),
UNIQUE(COMMON_NAME)
) ENGINE = InnoDB;
CREATE TABLE Parent (
PARENT_ID
Something like this should help you find all of the dupes
select email_address from table
group by email_address
having count(*)1;
On Feb 11, 2008 4:23 PM, Ferindo Middleton [EMAIL PROTECTED]
wrote:
I have a table (customers) without a primary key. I want to make the
email_address field the
From: Peter Brawley
I'd like to run a query to find the records that
are present in one database but not the other.
See 'Compare data in two tables' at
http://www.artfulsoftware.com/infotree/queries.php.
Thanks. That's a start.
SELECT
MIN(TableName) as TableName, id, col1, col2, col3,
I have a table (customers) without a primary key. I want to make the
email_address field the primary key, only problem is, several records
already share the same email_address
How do I write a query which will show me all the instances where
email_address is duplicated throughout the table.
--
On 11.02.2008 00:29 CE(S)T, Peter Brawley wrote:
message (messageID)
keylist (keylistID)
tag ( tagID, readaccesskeylist references keylist(keylistID) )
message_revision_tag ( ???, messageID references message(messageID),
tagID references tag(tagID))
Another table:
message_revision(MessageId
Hello there,
I am having problems running MySQL 5 on OS X Leopard...
Nothing happens when I try to start MySQL in System Preferences.
From the command line, this is the error I receive (when trying to
start MySQL):
ERROR 2002 (HY000): Can't connect to local MySQL server through socket
On Feb 11, 2008 7:27 PM, James Eaton [EMAIL PROTECTED] wrote:
SELECT
MIN(TableName) as TableName, id, col1, col2, col3, ...
FROM (
SELECT 'Table a' as TableName, a.id, a.col1, a.col2, a.col3, ...
FROM a
UNION ALL
SELECT 'Table b' as TableName, b.id, b.col1, b.col2, b.col3, ...
FROM
Hi,
Is it possible to send an INSERT statement from a Windows server running
MS SQL SERVER 2005 to a Linux box running MySQL ?
If so, how ? Do I need any special tools ?
Any help would be appreciated.
Warm Regards,
Mário Gamito
--
MySQL General Mailing List
For list archives:
On 11.02.2008 11:18 CE(S)T, Peter Brawley wrote:
Unclear.
Okay. Then the long form.
My application is a messaging application that supports multiple users,
messages with revisions, tags and access control.
A user is identified by a UserId which I also call key. (Imagine it
like the key
Jerry Schwartz wrote:
SELECT user_id, user_name FROM user_test WHERE user_id IN (SELECT
uid
FROM temp_uids);
[JS] Couldn't you replace the WHERE user_id IN (SELECT uid FROM
temp_uids)
with a simple JOIN? If IN is badly optimized, as I've read here, wouldn't
that be more efficient? Or am I
James
I'd like to run a query to find the records that
are present in one database but not the other.
See 'Compare data in two tables' at
http://www.artfulsoftware.com/infotree/queries.php.
PB
James Eaton wrote:
I have two different databases on the same 5.0 server that have the
same
Yves
it will rather find messages that have no tag with a keylist
which does not include the currently logged in user's UserId
or one of this user's additional keys, which are again stored
in a keylist.
Unclear.
PB
Yves Goergen wrote:
On 11.02.2008 00:29 CE(S)T, Peter Brawley wrote:
message
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