SQL Error Handling and Debugging with Practical Exercises
This resource offers a total of 100 SQL Error Handling and Debugging problems for practice. It includes 20 main exercises, each accompanied by solutions, detailed explanations, and four related problems.
1. Handling Errors Using TRY...CATCH Blocks
Write a SQL query to handle errors using a TRY...CATCH block.
2. Debugging Complex Queries with Execution Plans
Write a SQL query to debug a complex query using execution plans.
3. Logging Errors to a Table
Write a SQL query to log errors to a dedicated error log table.
4. Identifying Bottlenecks with Query Profiling
Write a SQL query to identify bottlenecks using query profiling tools.
5. Handling Deadlocks Gracefully
Write a SQL query to handle deadlocks using error handling techniques.
6. Debugging Recursive Queries
Write a SQL query to debug a recursive Common Table Expression (CTE).
7. Handling Conversion Errors
Write a SQL query to handle conversion errors using TRY...CATCH.
8. Debugging Index usage Issues
Write a SQL query to debug index usage issues in a query.
9. Handling Constraint Violations
Write a SQL query to handle constraint violations using TRY...CATCH.
10. Debugging Lock Contention Issues
Write a SQL query to debug lock contention issues.
11. Handling Timeout Errors
Write a SQL query to handle timeout errors using TRY...CATCH.
12. Debugging Parameter Sniffing Issues
Write a SQL query to debug parameter sniffing issues.
13. Handling Arithmetic Overflow Errors
Write a SQL query to handle arithmetic overflow errors using TRY...CATCH.
14. Debugging Missing Index Recommendations
Write a SQL query to debug missing index recommendations.
15. Handling Foreign Key Constraint Errors
Write a SQL query to handle foreign key constraint errors using TRY...CATCH.
16. Debugging Deadlocks using Trace Flags
Write a SQL query to debug deadlocks using trace flags for capturing deadlock graphs.
17. Debugging Recursive Query Termination Issues
Write a SQL query to debug recursive query termination issues using MAXRECURSION.
18. Handling Divide-by-Zero Errors with NULLIF
Write a SQL query to handle divide-by-zero errors using the NULLIF function.
19. Debugging Query Performance with Query Store
Write a SQL query to debug query performance using the Query Store feature.
20. Debugging Implicit Conversion Issues
Write a SQL query to debug implicit conversion issues in a query.
More to Come !
Do not submit any solution of the above exercises at here, if you want to contribute go to the appropriate exercise page.