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Monday 29 January 2024

20 frequent Errors in MS SQL

 1. Error 18456

   - Description: Login failed for user.

   - Solution: Verify the login credentials and check if the user has the necessary permissions.

 

2. Error 207

   - Description: Invalid column name.

   - Solution: Check for typos in column names in your SQL queries.

 

3. Error 233

   - Description: No process is on the other end of the pipe.

   - Solution: Verify the SQL Server service is running, and check network connectivity.

 

4. Error 5120

   - Description: Unable to open the physical file.

   - Solution: Check file permissions for the database files.

 

5. Error 2601

   - Description: Cannot insert duplicate key row in object.

   - Solution: Identify and handle duplicate keys or constraints.

 

6. Error 18452

   - Description: Login failed. The login is from an untrusted domain.

   - Solution: Check authentication settings and trust relationships.

 

7. Error 207

   - Description: Invalid column name.

   - Solution: Ensure correct column names in your SQL statements.

 

8. Error 1205

   - Description: Deadlock detected.

   - Solution: Implement retry logic or adjust transaction isolation levels.

 

9. Error 4060

   - Description: Cannot open database requested in login.

   - Solution: Verify database existence and user permissions.

 

10. Error 53

    - Description: Could not open a connection to SQL Server.

    - Solution: Check server connectivity and firewall settings.

 

11. Error 10054

    - Description: TCP Provider: An existing connection was forcibly closed by the remote host.

    - Solution: Investigate network issues or firewall interference.

 

12. Error 262

    - Description: CREATE DATABASE permission denied.

    - Solution: Grant necessary permissions to create databases.

 

13. Error 18456

    - Description: Login failed. The user is not associated with a trusted SQL Server connection.

    - Solution: Enable mixed-mode authentication or adjust Windows authentication settings.

 

14. Error 515

    - Description: Cannot insert the value NULL into column.

    - Solution: Provide a non-NULL value for the column.

 

15. Error 207

    - Description: Invalid column name.

    - Solution: Validate column names in your SQL statements.

 

16. Error 1204

    - Description: The SQL Server cannot obtain a LOCK resource at this time.

    - Solution: Address locking contention issues or increase the LOCK_TIMEOUT setting.

 

17. Error 18470

    - Description: Login failed for user 'sa'. Reason: The account is disabled.

    - Solution: Enable the SQL Server login account.

 

18. Error 701

    - Description: There is insufficient system memory to run this query.

    - Solution: Optimize queries or allocate more memory to SQL Server.

 

19. Error 156

    - Description: Incorrect syntax near the keyword 'SELECT'.

    - Solution: Correct syntax errors in your SQL statements.

 

20. Error 1203

    - Description: Process ID exceeded allowed limits.

    - Solution: Review and optimize concurrent connections or adjust configuration settings.

 

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