daily_issues
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Table of Contents
Mysql Upgrade Issue
Easy Command List
How to check Type of Table
You can use any of the following command to determine table type.
SHOW TABLE STATUS WHERE Name = 'table_name'; OR SHOW CREATE TABLE 'table_name'; OR SHOW TABLE STATUS;
MySQL Cluster information gathering
How to find which master log slave reading
cat slaves | while read i ; do echo $i; mysql -h$i -e "SHOW SLAVE STATUS \G" | grep "Relay_Master_Log_File"; done
Issue / Solutions
 appeared after upgrade
This issue is appeared due to the default character set.
As Both version of database diff. character set.
To get rid of that character try to following steps.
1. insert following line to your my.cnf set-variable=character-set-server=UTF8 2. re-import database should fix the issue.
mysqldump does not save stored procedure / functions / triggers.
By default mysqldump only store triggers not procedures/functions.
In order to include to your mysqldump there is switch
-R, –routines Dump stored routines (functions and procedures).
In order to include triggers to your mysqldump there is switch
–triggers Dump triggers for each dumped table
mysqldump -R -u <username> -p<password> <database>
After upgrade from 4.0 to 4.1 see issue on charset
Use following line in your my.cnf will resolve the issue. as latin1 is default character set in 4.0 and 4.1 has utf8
- | my.cnf
set-variable=character-set-server=latin1
daily_issues.1282788336.txt.gz · Last modified: 2020/08/10 02:29 (external edit)