Tag: INSENSITIVE

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Tips for using SQL Server 2017 cursors

Tips for using SQL Server 2017 cursors Use READ ONLY cursors, whenever possible, instead of updatable cursors. Because using cursors can reduce concurrency and lead to unnecessary locking, try to use READ ONLY cursors, if you do not need to update cursor result set. Try to avoid using SQL Server cursors, whenever possible. SQL Server cursors can results in some...

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SQL Server

Tips for using SQL Server 2016 cursors

Tips for using SQL Server 2016 cursors Reduce the number of rows to process in the cursor. To reduce the cursor result set use the WHERE clause in the cursor’s select statement. Do not forget to close SQL Server 2016 cursor when its result set is not needed. To close SQL Server cursor, you can use CLOSE {cursor_name} command. This […]

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Tips for using SQL Server 2014 cursors

Tips for using SQL Server 2014 cursors Try to avoid using insensitive, static and keyset cursors, whenever possible. These types of cursor produce the largest amount of overhead on SQL Server 2014, because they cause a temporary table to be created in TEMPDB, which results in some performance degradation. Use FAST_FORWARD cursors, whenever possible. The FAST_FORWARD cursors produce the least...

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