What is oracle cursor for loop

We have already read about the Oracle cursor in the below post

What is the cursor in oracle

Let’s check about the oracle cursor for loop. How it is beneficial and How to use it in PLSQL

Oracle Cursor FOR Loops in oracle

1)The cursor FOR loop is a shortcut to process Explicit cursors

2) Implicit Open, fetch, exit, and close occurs

3) The record is implicitly declared

Example

DECLARE 
 CURSOR dept_cursor is Select deptno,dept_name  FROM   dept;
 BEGIN
 FOR dept_record IN dept_cursor
 LOOP
 Insert into dept_temp (deptno, deptname) values (dept_record.deptno, dept_record.dept_name);
 END LOOP;
 Commit;
 END;
 /

Oracle Cursor For Loops Using Subqueries

We can also cursor for loops using subqueries. No need to declare the cursor

Example

BEGIN 
 FOR dept_record IN (Select deptno,dept_name  FROM   dept)
 LOOP
 Insert into dept_temp (deptno, deptname) values (dept_record.deptno, dept_record.dept_name);     
 END LOOP;
 Commit;
 END;
 /

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