| Log File |
Types of Information Logged to File |
| The error log |
Logs problems encountered starting, running, or stopping mysqld. |
| The isam log |
Logs all changes to the ISAM tables. Used only for debugging the isam code. |
| The query log |
Logs established client connections and executed statements. |
| The update log |
Logs statements that change data. This log is deprecated. |
| The binary log |
Logs all statements that change data. Also used for replication. |
| The slow log |
Logs all queries that took more than long_query_time seconds to execute or didn't use indexes. |