SQL101 errors documented

Common SQL Errors and How to Fix Them

Browse all documented SQL errors with detailed explanations, root causes, and step-by-step fixes.

Cannot retrieve column information from the result set of a query that is not fu

This error occurs when you try to access a column name from a dynamic SQL query, but the result set has not been fully m…

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Near keyword 'FROM', expected 'FROM', 'JOIN', 'LATERAL', 'CROSS APPLY', 'INNER J

This error occurs when SQL expects a specific keyword or operator but encounters a different one instead. In this case, …

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Error: cannot truncate table 'orders' because it is being used for replication:

This error occurs when a database administrator attempts to truncate a table that is being used for replication. Truncat…

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Cannot combine LATERAL derived tables and common table expressions

This error occurs when you try to combine a LATERAL derived table with a common table expression (CTE) in a single query…

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SQLSTATE[22023]: Clock specification error: 1264 Out of range value for column '

This error occurs when you attempt to insert a value into a numeric column that exceeds the defined range of acceptable …

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Error: Unable to fetch schema from database: 'table_name' not found in the 'sche

This error occurs when the SQL framework is unable to find the schema for a specific table or database. It usually happe…

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Cannot delete or update a parent row: a foreign key constraint fails (`database_

This error occurs when you try to delete or update a row in a table that has a foreign key constraint referencing anothe…

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Misplaced keyword keyword ELSE near 'FROM'

This error occurs when SQL encounters an ELSE keyword outside of a conditional statement, such as an IF or CASE statemen…

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Cannot create a session when the session save path is not writable: /tmp/mysql-s

This error occurs when the SQL framework is unable to write to the session save path, which is a directory specified for…

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Cannot perform 'MERGE' operation on a non-partitioned table

This error occurs when you try to perform a 'MERGE' operation on a table that does not have a partition key. The 'MERGE'…

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Error 1215: Cannot add foreign key constraint

This error occurs when you try to create a foreign key constraint on a column that already contains data with values tha…

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Invalid parameter type: expected array for 'where' clause, got string

This error occurs when the SQL framework expects an array of parameters for the 'where' clause, but a string is passed i…

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