PradysTechBlog

Yet another blog

What are the steps to create a cursor?

Steps for creating a cursor are

1.Declare a cursor

DECLARE cursor_name CURSOR [ LOCAL | GLOBAL ]
     [ FORWARD_ONLY | SCROLL ]
     [ STATIC | KEYSET | DYNAMIC | FAST_FORWARD ]
     [ READ_ONLY | SCROLL_LOCKS | OPTIMISTIC ]
     [ TYPE_WARNING ]
     FOR select_statement
     [ FOR UPDATE [ OF column_name [ ,...n ] ] ]
[;]

2. Open the cursor

OPEN cursor_name

3. Fetch the cursor

FETCH cursor_name INTO ...

4. Perform the operation required

5. Close the cursor

 CLOSE cursor_name

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