What happens when you delete a table in SQL?

What happens when you delete a table in SQL?

Deleting a table automatically removes any relationships to it.

What is the difference between dropping a table and deleting a table?

Delete statement removes only the rows in the table and it preserves the table structure as same, and Drop command removes all the data in the table and the table structure.

What happens to view if we DELETE table?

Dropping a table removes the table definition from the data dictionary. All rows of the table are no longer accessible. All indexes and triggers associated with a table are dropped. All views and PL/SQL program units dependent on a dropped table remain, yet become invalid (not usable).

When do you reuse space in SQL Server?

Whenever rows or columns are deleted from a table, SQL Server reuses space to accommodate new data. However, this is not the case when a variable length column is deleted. The space used by this type of column is not reclaimed automatically.

How does SQL Server reclaim space when rows are deleted?

In a recent post, I demonstrated how SQL Server will reuse space made available when rows are deleted from a table. This occurs automatically without any outside intervention on our part. However under certain circumstances, SQL Server does not automatically reclaim space once used.

What happens when you delete a page on a table?

Delete operation never physically removes records from pages – it only marks them as having been deleted. And a Ghost cleanup process would remove records after words it the table is not heap. In your scenario, the index size value is high, consider to optimize the index on your table. These is a similar thread for your reference.

Is there a way to reclaim space from a table?

This occurs automatically without any outside intervention on our part. However under certain circumstances, SQL Server does not automatically reclaim space once used. If a table definition is altered to drop one or more variable length columns, the space consumed by those columns is not immediately made available for reuse by SQL Server.