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Can you delete a large amount of data in SQL Server?
The result shows that BULK_LOGGED as a recovery model will not change significantly the amount of produced transaction log. And the result is not really surprising because DELETE is no DML-Operation which supports BULK-operations.
When to delete or update data in a database?
Before you decide to perform mass deletes/updates of data in your database, it would be good that you back up all tables where changes are expected. After changes are performed, you should compare the old and the new table.
Is there a fast way to delete data from a table?
The above recommendation can be read quite often based on questions for fast deletion of data. This solution is not feasible because the DML-Operation DELETE is a fully logged operation which does not support BULK-operations. The following script runs a DELETE operation against the above table and deletes all even numbered records.
Can you delete even numbered records in DML?
This solution is not feasible because the DML-Operation DELETE is a fully logged operation which does not support BULK-operations. The following script runs a DELETE operation against the above table and deletes all even numbered records. This operation will be run in all three recovery modes (SIMPLE, FULL, BULK_LOGGED)
How to delete large data of table without log?
This will delete the data in selected partition (s) only and should be the most efficient way to delete data from part of table since it will not create transaction logs and will be done just as fast as regular truncate but without having all the data deleted from the table.
How to delete a table in SQL Server?
The following script runs a DELETE operation against the above table and deletes all even numbered records. This operation will be run in all three recovery modes (SIMPLE, FULL, BULK_LOGGED) — Change the recovery model for each run!
How long does it take to delete a row in SQL?
…where each incoming row has its own ‘OR tag = n’ or ‘OR longTag = ‘x” clause. Then I perform an XML Bulk Load using ISQLXMLBulkLoad to load all the new records at once. The giant DELETE statement sometimes times out, taking 30 seconds or longer. I’m not sure why.