w3resource

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.

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2. Debugging Complex Queries with Execution Plans

Write a SQL query to debug a complex query using execution plans.

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3. Logging Errors to a Table

Write a SQL query to log errors to a dedicated error log table.

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4. Identifying Bottlenecks with Query Profiling

Write a SQL query to identify bottlenecks using query profiling tools.

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5. Handling Deadlocks Gracefully

Write a SQL query to handle deadlocks using error handling techniques.

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6. Debugging Recursive Queries

Write a SQL query to debug a recursive Common Table Expression (CTE).

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7. Handling Conversion Errors

Write a SQL query to handle conversion errors using TRY...CATCH.

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8. Debugging Index usage Issues

Write a SQL query to debug index usage issues in a query.

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9. Handling Constraint Violations

Write a SQL query to handle constraint violations using TRY...CATCH.

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10. Debugging Lock Contention Issues

Write a SQL query to debug lock contention issues.

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11. Handling Timeout Errors

Write a SQL query to handle timeout errors using TRY...CATCH.

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12. Debugging Parameter Sniffing Issues

Write a SQL query to debug parameter sniffing issues.

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13. Handling Arithmetic Overflow Errors

Write a SQL query to handle arithmetic overflow errors using TRY...CATCH.

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14. Debugging Missing Index Recommendations

Write a SQL query to debug missing index recommendations.

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15. Handling Foreign Key Constraint Errors

Write a SQL query to handle foreign key constraint errors using TRY...CATCH.

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16. Debugging Deadlocks using Trace Flags

Write a SQL query to debug deadlocks using trace flags for capturing deadlock graphs.

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17. Debugging Recursive Query Termination Issues

Write a SQL query to debug recursive query termination issues using MAXRECURSION.

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18. Handling Divide-by-Zero Errors with NULLIF

Write a SQL query to handle divide-by-zero errors using the NULLIF function.

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19. Debugging Query Performance with Query Store

Write a SQL query to debug query performance using the Query Store feature.

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20. Debugging Implicit Conversion Issues

Write a SQL query to debug implicit conversion issues in a query.

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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.



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