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Oracle CLOSE operator
CLOSE operator – The final step in working with cursors is closing the cursor after you have finished using it.
Operator CLOSE syntax
CLOSE cursor name;
Options and arguments of the operator
- cursor name – The name of the cursor you want to close.
For example, you could close a cursor named c1 with the following command:
CLOSE c1;
Next is a function that shows you how to use the Oracle FETCH operator:
CREATE OR REPLACE Function FindCourse
( name_in IN varchar2 )
RETURN number
IS
cnumber number;
CURSOR c1
IS
SELECT course_number
FROM courses_tbl
WHERE course_name = name_in;
BEGIN
OPEN c1;
FETCH c1 INTO cnumber;
if c1%notfound then
cnumber := 9999;
end if;
CLOSE c1;
RETURN cnumber;
END;
SQL tutorial: Union and Union All SQL Set Operator In Oracle Database
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