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SQL> CREATE TABLE book (
2 isbn CHAR(10),
3 status VARCHAR2(25) CHECK (status IN ('IN STOCK', 'BACKORDERED', 'FUTURE')),
4 status_date DATE,
5 amount NUMBER
6 );
Table created.
SQL>
SQL> INSERT INTO book (isbn, status, status_date, amount)VALUES ('1', 'BACKORDERED', TO_DATE('06-JUN-2004', 'DD-MON-YYYY'), 1000);
1 row created.
SQL> INSERT INTO book (isbn, status, status_date, amount)VALUES ('2', 'IN STOCK', NULL, 5000);
1 row created.
SQL> INSERT INTO book (isbn, status, status_date, amount)VALUES ('3', 'IN STOCK', NULL, 1000);
1 row created.
SQL> INSERT INTO book (isbn, status, status_date, amount)VALUES ('7', 'IN STOCK', NULL, 1000);
1 row created.
SQL>
SQL>
SQL>
SQL> DECLARE
2
3 v_isbn book.ISBN%TYPE;
4
5 CURSOR book_cur IS SELECT isbn FROM book;
6
7 BEGIN
8 OPEN book_cur;
9
10 EXECUTE IMMEDIATE ('DROP TABLE book');
11
12 LOOP
13 FETCH book_cur INTO v_isbn;
14 EXIT WHEN book_cur%NOTFOUND;
15
16 DBMS_OUTPUT.PUT_LINE(v_isbn);
17
18 END LOOP;
19
20 CLOSE book_cur;
21
22 END;
23 /
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