In PL/SQL, cursors are a mechanism for accessing and manipulating query result sets. A cursor allows you to fetch and process rows returned by a query one at a time. There are two main types of cursors in PL/SQL: implicit cursors and explicit cursors. Implicit Cursors PL/SQL automatically creates implicit cursors for SELECT INTO statements, and for INSERT, UPDATE, DELETE, and MERGE statements. Example of Implicit Cursor DECLARE v_employee_name employees.first_name%TYPE; BEGIN -- This SELECT INTO statement uses an implicit cursor SELECT first_name INTO v_employee_name FROM employees WHERE employee_id = 100; DBMS_OUTPUT.PUT_LINE('Employee Name: ' || v_employee_name); END; In this example, PL/SQL creates an implicit cursor for the SELECT INTO statement and automatically fetches the result into the v_employee_name variable. Explicit Cursors Explicit cursors give you more control over the context area. You can open a cursor, fetch rows from the result s
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