How Can I Significantly Improve SQL Server Insert Performance?

Increasing SQL Server Insert Performance

To optimize insert performance in SQL Server, consider the following tips:

• Disable Triggers and Constraints: Remove triggers and constraints that could hinder insert operations.
• Drop Unnecessary Indexes: Delete indexes that are not required during inserts, as they slow down the process.
• Maintain a Proper Clustered Index: Ensure that the clustered index positions new records at the end of the table, minimizing page splits.
• Set an Optimal Fill Factor: Set the table's fill factor to 0 or 100, eliminating empty spaces and reducing data fragmentation.
• Use Simple Recovery Model: Switch to the Simple recovery model to minimize transaction log overhead.

Consider Parallel Insertion and Locking:
If multiple clients are performing parallel inserts, evaluate the locking implications and optimize accordingly.

Emphasize Index Inspection: Utilize SQL Server Management Studio or the Database Engine Tuning Advisor to identify necessary indexes that you may have unintentionally removed.

Consider BULK INSERT: For high-volume inserts, consider using BULK INSERT or related utilities like bcp or SqlBulkCopy, which leverage bulk insert capabilities for improved throughput.

Additional Resource:
Refer to Microsoft's article on Optimizing Bulk Import Performance for further optimization recommendations that can also apply to typical inserts.

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