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Does Cursor Lock the Table?

Maya Lin-Takahashi • • 7 min read
Does Cursor Lock the Table?

Why cursors are slow
To populate a cursor, database tables are iterated on row-by-row basis rather than in sets. While a cursor is being populated, the table being iterated is locked. ... While the cursor is open, a table cannot be accessed or updated by the other users. This makes cursor-based operations extremely.

Does cursor lock the table SQL Server?

By default, SQL Server uses row-level locking. But if you make more than 5000 updates in a single transaction, SQL Server might do a lock escalation and lock the entire table in question to avoid having to handle too many individual locks.

Is cursor a view on table?

4 Answers. A cursor is defined and used within the scope of a stored procedure (it is used with PL/SQL). On the other hand, a view is a database object (similar to a table), which can be used even outside of stored procedures as well, as in queries (it can be used with both SQL and PL/SQL).

Maya Lin-Takahashi
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Maya Lin-Takahashi

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.