Common Performance Issues in SQL Server and their Solution

Reasons for SQL Server Performance Issues

The substantial causes for difficulties in the smooth performance of SQL Server are:

• Resource Contention from locking: It means new processes are added to the system during execution or the load on the system is increased.
• Inefficient queries containing unnecessary joins or subqueries.
• Fragmented indexes slow down the queries relying on it and affect database performance.
• Slow queries, timeouts, full database storage, and overloaded SQL server hardware.
• Also, transaction log files having a maximum set size limit or running out of space are other factors.
• Moreover, multiple queries are processed simultaneously and none can complete the task is a major issue. Generally, referred to as deadlocking.

What are the Common Issues in SQL Server?

The different types of issues that SQL Server face during query execution and other performance tasks are:

• Poor or slow processing of SQL queries and fragmented indexes
• Memory and CPU functioning issues
• Overloaded or out-of-space database errors
• Damaged or inaccessible database files due to corruption
• Bad connectivity with the SQL Server or system in the Deadlock state
• Denied permissions after granting rights to the stored procedure

How to Resolve Common Performance Issues in SQL Server?

There are two ways to resolve this issue. The first is the manual solution and the other is using a professional tool. The detailed procedure is explained in the following section. Let’s begin with learning about queries and their manual solutions.

SQL Server Slow Performance Troubleshooting

Follow these steps to resolve different performance problems manually:

1. Rewrite queries, add indexes, and check the server settings.
2. Use Task Manager or Performance monitor to troubleshoot the system issues.
3. Further, increase the file size limit of transaction log files.
4. Rebuild and reorganize indexes through SQL Server Management Studio (SSMS).
5. Next, through Activity Monitor, identify and troubleshoot all the locked and blocked SQL queries.
6. At last, delete all the orphaned processes from the server.

Note: The manual steps provided above can help improve your server performance a bit. However, it is not an accurate solution. In addition, users must have technical expertise to go through the freeway. Furthermore, if the database gets corrupted, these ways won’t be helpful. So, it is better to have a direct solution.

Automated Tool to Resolve Common Performance Issues in SQL Server

Either you are facing casual performance issues or your database MDF and NDF files are corrupted. Don’t worry. The SysInfo SQL Database Recovery Tool is the best solution to handle such issues. It repairs corrupt, damaged, or inaccessible database files thus improving SQL Server performance issues. This tool effectively recovers the database while maintaining data integrity. This comprehensive utility provides some other features too, such as:

• Store data on the SQL Server database or save them as SQL Scripts
• Repair database in Suspect Mode by two different recovery modes.
• Supports all the versions of SQL Server and Windows OS.
• Provides a preview option and other filters to save data as required.

Steps to Fix Common Performance Issues in SQL Server

1. Launch the tool, click Open, and hit the Browse (…) icon to add an MDF file.
2. Then, select the Standard or Advance recovery mode for your file.
3. Pick the other options and choose either Autodetect or Manual collation.
4. Further, click OK and expand the tree structure to preview and select tables.
5. Hit Save and pick SQL Server Database or SQL Server Compatible Scripts.
6. Afterward, for the database, tap authentication mode and enter the details.
7. Alternatively, for scripts, click (…) and specify a path to save.
8. Select other filters for the resultant file and click Test Database Connection.
9. At last, hit OK to end the recovery process.

Conclusion

To keep the SQL server running smoothly and efficiently, it is necessary to check the SQL performance and database consistency. There are several common performance issues in SQL server as discussed above. Users should take regular backups and monitor their resources and activities to avoid issues. However, in cases of file damage or corruption, opting for a professional tool is the best choice.

Frequently Asked Questions

About The Author:

Deep Shikha

Deep Shikha Pandey is a Tech Writing Expert having deep knowledge about Outlook, Gmail, Yahoo, SQL, and other databases and email clients. She will guide you the best about email migration and SQL Database recovery using her expertise and making all the processes a cakewalk for the readers. Make your technical journey easy with simple layman’s blogs and accurate technical information.