mysql5

setting up mysql on Mac

I first installed Macports so it would be easier. Then installed mysql5,mysql5-server and py26-mysql. Everything went ok. When I typed: which mysql5 it returns `/opt/local/bin/mysql5 But when i try to enter the server: mysql5, an error is generated: ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/opt/local/var...

replication in mysql to synchronize database

I configure master and slave to use replication. It will work and I succeed to generate master.info and relay-log.info. file on slave. My start slave command also run successfully even I can't get master changes on slave. Is any addition process require after make changes master to reflect effect on to the slave ? Is there any other...

counting data and grouping by week in mysql

this is my DB table: CREATE TABLE IF NOT EXISTS `inspection_report` ( `Inspection_datetime` datetime NOT NULL, `Line` char(5) NOT NULL, `S` int(11) NOT NULL, `A` int(11) NOT NULL, `B` int(11) NOT NULL, `C` int(11) NOT NULL, INSERT INTO `inspection_report` (`Inspection_datetime`,`Line`,`S`, `A`, `B`, `C`) VALU...

Installing MySQL system tables... ERROR: 1136 Column count doesn't match value count at row 1?

I was setting up a Rails 3 environment on my local machine with MySql5 following this tutorial: http://blog.openrain.com/2008/08/20/setup-ruby-and-rails-on-osx/. When I run the below command: sudo -u mysql mysql_install_db5 I get the following error. -------- Installing MySQL system tables... ERROR: 1136 Column count doesn't match ...

MySQL foreign key to another foreign key

Hi. The idea is quite simple: i have three (or more) tables - master_tbl (id, something, somethingelse) - tbl2 (id, ....) - tbl3 (id, ....) Now what i want is a foreign key relationship, such as tbl3.id would point to tbl2.id and tbl2.id would point to master_tbl.id - all foreign keys are ON UPDATE CASCADE and ON DELETE CASCADE. What ...