MySQL 1791

This error occurs when an unknown EXPLAIN format is used in MySQL. It indicates that the format used is not supported by the server.

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How It Affects Your App

MySQL 1791 ER_UNKNOWN_EXPLAIN_FORMAT can cause an application to fail to properly explain the execution plan of a query. This can lead to inefficient query execution and poor performance. It can also cause the application to be unable to properly debug and troubleshoot query issues. This can lead to longer development times and increased costs.

How To Fix

1. SHOW VARIABLES LIKE 'sql_mode';This command will show the current SQL mode of the MySQL server.2. SET GLOBAL sql_mode = '';This command will reset the SQL mode to the default value.3. SET SESSION sql_mode = '';This command will reset the SQL mode for the current session.4. FLUSH PRIVILEGES;This command will flush the privileges and reload the grant tables.5. SELECT @@GLOBAL.sql_mode;This command will show the current SQL mode of the MySQL server.6. Use an automated database observability tool to monitor and fix the MySQL 1791 in question. Automated database observability tools can help identify and diagnose issues quickly, as well as provide real-time insights into the performance of the database. This can help to ensure that any issues are addressed quickly and efficiently, and that the database is running optimally.

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