What Is Syntax for Cursor
Syntax: Declare Cursor Is; Begin for I in Loop. . End Loop; End; in the Above Syntax, the Declaration Part Contains the Declaration of the Cursor. What Is...
Syntax: DECLARE CURSOR <cursor_name> IS <SELECT statement>; BEGIN FOR I IN <cursor_name> LOOP . . END LOOP; END; In the above syntax, the declaration part contains the declaration of the cursor.
What is cursor in SQL with example?
A SQL Server cursor is a set of T-SQL logic to loop over a predetermined number of rows one at a time. The purpose for the cursor may be to update one row at a time or perform an administrative process such as SQL Server database backups in a sequential manner.
How do you call a cursor in SQL?
- Declare a cursor that defines a result set.
- Open the cursor to establish the result set.
- Fetch the data into local variables as needed from the cursor, one row at a time.
- Close the cursor when done.
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