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Published on 2010-05-12T16:19:19Z
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I had the below query working in mysql 4.1, but does not in 5.0:
SELECT * FROM email e, event_email ee
LEFT JOIN member m on m.email=e.email
WHERE ee.email_id = e.email_id
The error: 1054 (Unknown column 'e.email' in 'on clause')
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I tried everything till now:
sudo apt-get remove mysql-server mysql-client mysql-common
sudo apt-get purge mysql-server mysql-client mysql-common
sudo apt-get autoremove
and even more commands...
But whenever I am trying to locate mysql. I get a no. of files related to mysql
command:
shell>>…
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Mysql was started:
/usr/bin/mysqld_safe --datadir=/srv/mysql/myDB --log-error=/srv/mysql/logs/mysqld-myDB.log --pid-file=/srv/mysql/pids/mysqld-myDB.pid --user=mysql --socket=/srv/mysql/sockets/mysql-myDB.sock --port=3700
but when I'm trying to do something:
ERROR 1548 (HY000) at line 1: Cannot…
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A client of my IT-consulting service owns a web-development shop. He's been having problems with a Slackware 12.0 server running MySQL 5.0.67. The machine was set up by the client's sysadmin, who left on bad terms. My client no longer employs a sysadmin.
As far as I can tell, the only copy of MySQL…
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Can't start mysql with:
sudo /usr/bin/mysqld_safe --datadir=/srv/mysql/myDB --log-error=/srv/mysql/logs/mysqld-myDB.log --pid-file=/srv/mysql/pids/mysqld-myDB.pid --user=mysql --socket=/srv/mysql/sockets/mysql-myDB.sock --port=3700
120222 13:40:48 mysqld_safe Starting mysqld daemon with databases…
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MySQL is one of the most popular database language and I have been recently working with it a lot. Data have no barrier and every database have their own place. I have been working with MySQL for quite a while and just like SQL Server, I often find lots of people asking me if I have a tutorial which…
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This query run alone:
SELECT
-- lots of columns
FROM (((((((((((`table1` `t1`
LEFT JOIN `table2` `t2`
ON(( `t2`.`userid` = `t1`.`userid` )))
LEFT JOIN `table3` `t3`
ON(( `t1`.`orderid` = `t3`.`orderid` )))
…
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About the system:
- There are tutors who create classes and packs
- A tags based search approach is being followed.Tag relations are created when new tutors register and when tutors create packs (this makes tutors and packs searcheable). For details please check the section How tags work in this system…
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Hi there,
I'm new in subsonic3, and I'm getting some errors when I try to use LeftJoin
var q =
from c in categories
join p in products on c equals p.Category into ps
from p in ps.DefaultIfEmpty()
select new { Category = c, ProductName = p == null ? "(No products)" : p.ProductName…
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Is this equvelent to a LEFT JOIN?
select distinct a.name, b.name from tableA a, (select name from tableB) as b
It seems as though there is no link between the two tables.
Is there an easier / more efficient way to write this?
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I have this query:
SELECT mt.*, fordon.*, boende.*, elektronik.*, business.*, hem_inredning.*, hobby.*
FROM classified mt
LEFT JOIN fordon ON fordon.classified_id = mt.classified_id
LEFT JOIN boende ON boende.classified_id = mt.classified_id
LEFT JOIN elektronik ON elektronik.classified_id = mt…
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