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Why is Truncate faster than delete in SQL server?

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As it deallocates the data pages instead of rows and records data pages instead of rows in transaction logs.
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My teaching experience 12 years

When you use TRUNCATE TABLE, SQL Server typically logs the deallocation of the data pages, whereas DELETE logs each row deletion. This means that TRUNCATE TABLE generates less log data compared to DELETE, resulting in faster operation as logging can be a significant overhead.
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Business Analyst , Data Analyst , Business Intelligence Analyst - Power BI, SQL, Advanced Excel

When you use TRUNCATE TABLE, SQL Server typically logs the deallocation of the data pages, whereas DELETE logs each row deletion. This means that TRUNCATE TABLE generates less log data compared to DELETE, resulting in faster operation as logging can be a significant overhead.
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When you use TRUNCATE TABLE, SQL Server typically logs the deallocation of the data pages, whereas DELETE logs each row deletion. This means that TRUNCATE TABLE generates less log data compared to DELETE, resulting in faster operation as logging can be a significant overhead.

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