The latest info about eLearning with Chamilo
For those of you pushing your MySQL instances to higher levels, you’ll have realized at some point that all InnoDB tables share their indexing space into a single file (ibdata1, usually). This has several very bad outcomes: the ibdata1 file…
If you ever face a very slow MySQL process based on a very long insert file and you want to optimize it by unifying a lot of queries, you can do something like the following. Imagine you have a lot…
If you ever face an optimization issue in MySQL or MariaDB and want to know how to measure/benchmark the differences in execution between two queries, you should definitely know about the set profiling=1; command. Here is how it works: mysql>…
Sometimes I like to treat this blog as a personal one and write down things that might affect in fundamental ways our future… or at least my own future, potentially. Anyway, I’m currently living in Peru and had a series…
This is an easy procedure to import any MyISAM table that you would have in .myd, .myi and .frm format, into a local database. I assume you have MySQL server and a MySQL client on your local machine. First, identify…
Reference: http://www.cyberciti.biz/tips/recover-mysql-root-password.html (partly copied to avoid loosing source) # /etc/init.d/mysql stop Stopping MySQL database server: mysqld. # mysqld_safe –skip-grant-tables & [1] 5988 Starting mysqld daemon with databases from /var/lib/mysql mysqld_safe[6025]: started # mysql -u root Welcome to the MySQL monitor….
We’ve had reports about Dokeos creating problems when used with MySQL in strict mode. There’s a large topic development on the forum about that. The idea is that MySQL can be set to be more strict about the SQL syntax…
