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What is the general query log table in MySQL?
The mysql.general_log table stores the contents of the General Query Log if general logging is active and the output is being written to table (see Writing logs into tables). It contains the following fields:
How to use self join on table in MySQL?
For the problem I have a single table which store a Member’s ID and His Referee’s ID. This is something like a Multi-Level-Marketing plan where you join a company for some tasks and then someone join from your reference and appear under your downline and so on and so forth.
Which is the best MySQL log to use?
You could use the general log. In fact, you should try using the MySQL table version of the general log.
Is it possible to log activity from specific user?
The server is accessed by my application, and by external auditor (person using mysql workbench). The auditor has specific user and password and dedicated IP and it is granted only for select privileges. I need to log the activities from the auditor. Is it possible to do it somehow ?
How to specify the log destination in MySQL?
To specify the log destination, use the log_output system variable (as described in Section 5.4.1, “Selecting General Query Log and Slow Query Log Output Destinations” ). If you specify the TABLE log destination, see Log Tables and “Too many open files” Errors .
How to delete / flush / clear all MySQL logs?
If you’re on Linux, you can use mv to rename log files while they’re in use, and then after FLUSH LOGS, you know that MySQL is writing to a new, small file, and you can remove the old big files. Binary logs are different. To eliminate old binlogs, use PURGE BINARY LOGS. Make sure your slaves (if any) aren’t still using the binary logs.
How to disable the general query in MySQL?
Set general_log to 0 (or OFF) to disable the log or to 1 (or ON) to enable it. Set general_log_file to specify the name of the log file. If a log file already is open, it is closed and the new file is opened.
What kind of storage does MySQL log table use?
By default, the log tables use the CSV storage engine that writes data in comma-separated values format. For users who have access to the .CSV files that contain log table data, the files are easy to import into other programs such as spreadsheets that can process CSV input.
How is the structure of a log table displayed?
Log entries have a standard format. To display the current structure of the log tables, use these statements: Log contents are accessible through SQL statements. This enables the use of queries that select only those log entries that satisfy specific criteria.
When do I log to the log table?
The data table contains all the information pertaining to the current data values. When an action occurs (such as an insert, update, or delete) to that table we want it logged to the log table, data_log. You will notice 2 differences between the tables. The id field has the nonunique index rather than being a primary key.
How to check if logging is enabled in MySQL?
1) If general mysql logging is enabled then we can check the queries in the log file or table based what we have mentioned in the config. Check what is enabled with the following command
Which is the destination of a query in MySQL?
MySQL Server provides flexible control over the destination of output written to the general query log and the slow query log, if those logs are enabled. Possible destinations for log entries are log files or the general_log and slow_log tables in the mysql system database. File output, table output, or both can be selected.
How to select general query log and slow query log?
To write general and slow query log entries only to the log tables, use –log_output=TABLE to select tables as the log destination and –general_log and –slow_query_log to enable both logs.