Mega Code Archive
Nested block
<![CDATA[
SQL>
SQL> CREATE TABLE emp (
2 id NUMBER PRIMARY KEY,
3 fname VARCHAR2(50),
4 lname VARCHAR2(50)
5 );
Table created.
SQL>
SQL> INSERT INTO emp (id, fname, lname)VALUES (1, 'A', 'B');
1 row created.
SQL> INSERT INTO emp (id, fname, lname)VALUES (2, 'C', 'D');
1 row created.
SQL> INSERT INTO emp (id, fname, lname)VALUES (3, 'Enn', 'F');
1 row created.
SQL> INSERT INTO emp (id, fname, lname)VALUES (4, 'G', 'H');
1 row created.
SQL> INSERT INTO emp (id, fname, lname)VALUES (5, 'G', 'Z');
1 row created.
SQL>
SQL>
SQL> SET SERVEROUTPUT ON ESCAPE OFF
SQL>
SQL> DECLARE
2 v_emp emp.fname%TYPE;
3 BEGIN
4
5 -- the first nested block
6 BEGIN
7 SELECT fname INTO v_emp FROM emp WHERE UPPER(lname) = 'H';
8 EXCEPTION
9 WHEN NO_DATA_FOUND
10 THEN
11 DBMS_OUTPUT.PUT_LINE('EXCEPTION HANDLER for nested block 1');
12 DBMS_OUTPUT.PUT_LINE(' ');
13 NULL;
14 END;
15
16
17 END;
18 /
PL/SQL procedure successfully completed.
SQL>
SQL> drop table emp;
Table dropped.
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