mysql-management

I am working with a database which unfortunately has a lot of unused tables and I am trying to clean it up. I'm trying to find a way where I can be 100% confident that a particular table is no longer being used. After some googling, I still cannot find a good way to do so. I am only able to tell the last writes to a table (INSERT, UPDATE, etc) using: SHOW TABLE STATUS or running ls -lt on the mysql datadir (can be found by by running SHOW VARIABLES LIKE 'datadir';) Do you have any other suggestions? Thanks. RolandoMySQLDBA Try using the INFORMATION_SCHEMA.TABLES There is a column called UPDATE

I am using MONyog to montitor my two mysql servers. I get alert emails from MONyog when something goes wrong. There is an error I could not find out why. It says: Connection History: Percentage of refused connections) - 66.67% the percentage is not important, this is just about having refused connections. I get this email every half an hour. So this is like a constant situation. This must be my mistake, because I just set up those servers and there is no chance somebody else could be interfering the servers. MONyog advices me: Try to isolate users/applications that are using an incorrect

Environment: Ubuntu 11.10, MySQL 5.1.58 I have a small database with views. When I try to dump and restore, I get ERROR 1356 (HY000) at line 1693: View 'curation2.condition_reference_qrm_v' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them However, I can connect to the partially-restored database and create the view myself. Therefore, I suspect that the error message results from an issue unrelated to the view itself (but rather how it's restored, perhaps). Here's the simple approach I use to demonstrate the problem: MYSQL_PWD='xxx'

I have a development database (MYSQL) which I would like to load with fresh data at some point. I would like to delete the content of all tables. What is the best way, as automated as possible, to delete the content of all tables (including those that have foreign key constraints). Is there a truncate all/ drop all equivalent constraints? Thanks I think you can do the following: Disable the foreign key constraint check mysql> SET FOREIGN_KEY_CHECKS = 0; Truncate your tables mysql> TRUNCATE MY_TABLE; Enable the foreign key constraint check mysql> SET FOREIGN_KEY_CHECKS = 1; I prefer disabling

Possible Duplicate: Speeding up mysql dumps and imports mysqldump is reasonably fast, but dumps of a medium-sized database (20-30 megs) take several minutes to load using mysql my_database < my_dump_file.sql Are there some mysql settings I can tune to speed up the load? Is there a better way to load saved data? I've experimented using the mysqlimport utility with CSV-based dumps. These load slightly--but not appreciably--faster. I'm tempted to just copy raw database files around, but that seems like a bad idea. maatkit - parallel dump and maatkit - parallel restore Very fast. Assuming that you