How to Iterate Through SQL Server Query Results Using Cursors?

Looping Through Query Results in SQL Server

SQL Server provides powerful features to loop through query results to perform specific operate. Here's how to iterate over a recordset using T-SQL and a cursor:

In this example:

• @MyCursor declares a cursor object , used to traverse query results.
• @MyField declares a variable to store the specific field value of the current record.
• OPEN @MyCursor Open the cursor.
• FETCH NEXT... INTO Retrieve the current record's specific field value into the @MyField variable.
• WHILE @@FETCH_STATUS = 0 Creates a loop that continues as long as there are more records to process.
• CLOSE @MyCursor and DEALLOCATE @MyCursor close and release the cursor after completing the traversal.
• In the WHILE loop, any desired processing can be performed, such as updating, deleting, or printing records.

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