How to resolve the mysql 1054 error code?

The MySQL 1054 error code indicates that a column name in the database cannot be found in the query. To resolve this issue, you can try the following methods:

1. Check if the column names are correct: make sure the column names you are using in your query exactly match the column names in the database, including the case. MySQL is case-sensitive, so if the column names are spelled incorrectly or in the wrong case, it will result in a 1054 error.
2. Check whether the table name is correct: Besides the column names, also ensure that the table name used in the query is correct. If the table name is wrong, it will also result in error 1054.
3. Using aliases: If you encounter column name conflicts when using table joins or subqueries in your query, you can try giving the columns aliases to resolve the conflicts. For example: SELECT table1.column1 AS alias FROM table1 INNER JOIN table2 ON table1.column2 = table2.column2;
4. Check the database version: Some versions of MySQL may have bugs that can cause a 1054 error. Make sure you are using the latest version of MySQL and have applied all available patches and updates.
5. Check database permissions: If your user does not have enough permission to access certain columns or tables, it may also result in error 1054. Ensure that your user has the correct permissions and can access the required columns and tables.

If none of the above methods work, you can try seeking help in the MySQL official documentation or community, or reach out to your database administrator for further investigation and resolution.