Common SQL Error Codes
SQL errors can be frustrating and time-consuming to resolve. This guide is designed to help you quickly diagnose and resolve common SQL error codes. We provide detailed explanations of the causes of these errors and offer practical solutions for resolving them. Whether you are a database administrator or a developer, this guide will help you maintain a stable and efficient database, saving you time and reducing downtime.
Error Code Descriptions
SQL code -911
Indicates that a timeout has occurred while trying to access a specific resource. This can happen when a connection to a database is not closed properly or when a SQL statement takes too long to execute.
SQL code -923
Indicates that a deadlock has occurred. This can happen when two or more transactions are trying to access the same resource at the same time.
SQL code -904
Indicates that a deadlock or timeout has occurred while trying to access a specific resource.
SQL code -922
Indicates that a specific resource is unavailable. This can happen when a database is not running or when a specific database object is in a state that prevents it from being used.
SQL code -813
Indicates that a deadlock or timeout has occurred while trying to access a specific resource.
SQL code -924
Indicates that a resource is currently unavailable. This can happen when a database is not running or when a specific database object is in a state that prevents it from being used.
SQL code -802
Indicates that a deadlock or timeout has occurred while trying to access a specific resource.
SQL code -811
Indicates that more than one row has been returned in response to a single row request.
SQL code -818
Indicates that a timestamp or date value is not valid. This is a specific error code related to IBM DB2 database.
SQL code -913
Indicates that a deadlock or timeout has occurred while trying to access a specific resource.
SQL code -927
Indicates that an error occurred while accessing a specific resource. The specific cause of the error would need to be investigated further, by looking at the error message and the system's logs.
SQL code -203
Indicates that a deadlock or timeout has occurred while trying to access a specific resource.
SQL code -727
Indicates that a specific integrity constraint has been violated. It could be a unique constraint, primary key constraint or a referential integrity constraint.
SQL code -902
Indicates that a specific resource is unavailable. This can happen when a database is not running or when a specific database object is in a state that prevents it from being used.
SQL code ORA-00001
Unique constraint violated. This occurs when trying to insert a duplicate value in a column with a unique index.
SQL code ORA-00904
Invalid identifier. This error occurs when a column name or table name is misspelled or doesn't exist.
SQL code ORA-01017
Invalid username/password; logon denied. This error occurs when attempting to connect to the database with incorrect credentials.
SQL code ORA-01400
Cannot insert NULL. This error occurs when trying to insert a NULL value into a column that is defined as NOT NULL.
SQL code ORA-01403
No data found. This error occurs when a SELECT statement returns no rows, but at least one row was expected.
SQL code ORA-01422
Exact fetch returns more than requested number of rows. This error occurs in situations where only one row is expected, but multiple rows are returned.
SQL code ORA-12899
Value too large for column. This error occurs when trying to insert or update a value that is too large for the defined column size.
SQL code 1064
You have an error in your SQL syntax. This is a general MySQL error for syntax issues in your SQL statement.
SQL code 1146
Table doesn't exist. This MySQL error occurs when you try to query a table that doesn't exist in the current database.
SQL code 1451
Cannot delete or update a parent row: a foreign key constraint fails. This MySQL error occurs when trying to delete or update a row that is referenced by another table.
SQL code 42P01
Relation (table) does not exist. This PostgreSQL error occurs when you try to query a table that doesn't exist.
SQL code 42703
Column does not exist. This PostgreSQL error occurs when you reference a column that doesn't exist in the table.
SQL code 23505
Unique violation. This PostgreSQL error occurs when trying to insert a duplicate value in a column with a unique constraint.
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