How to create cursors in oracle loop

In Oracle, the FOR LOOP loop can create cursors dynamically. The steps are: 1. Define the cursor type; 2. Create the loop; 3. Create the cursor dynamically; 4. Execute the cursor; 5. Close the cursor. Example: A cursor can be created cycle-by-circuit to display the names and salaries of the top 10 employees.

Creating cursors in Oracle loop

In Oracle, you can use FOR LOOP to create multiple cursors. This loop allows the user to generate cursors dynamically and perform different queries according to different conditions.

step:

1. Define cursor type: Use the TYPE statement to define the cursor type.
2. Create a loop: Create a loop using the FOR LOOP statement.
3. Dynamically create cursors: In a loop, use the OPEN statement to create cursors dynamically.
4. Execute cursor: Use the FETCH statement to get data from the cursor.
5. Close cursor: Use the CLOSE statement to close the cursor.

Example:

Here is an example of creating cursors in a loop to display the names and salaries of the top 10 employees:

 <code class="oracle">DECLARE TYPE CURSOR_TYPE IS REF CURSOR; c CURSOR_TYPE; BEGIN FOR i IN 1 .. 10 LOOP OPEN c FOR SELECT name, salary FROM employees WHERE rownum </code>

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