Mega Code Archive
Where clause converts text with date value format to date value
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SQL>
SQL> CREATE TABLE product (
2 product_name VARCHAR2(25),
3 product_price NUMBER(4,2),
4 quantity_on_hand NUMBER(5,0),
5 last_stock_date DATE);
Table created.
SQL>
SQL> INSERT INTO product VALUES ('S', 99, 1, '15-JAN-03');
1 row created.
SQL> INSERT INTO product VALUES ('M', 75, 1000, '15-JAN-02');
1 row created.
SQL> INSERT INTO product VALUES ('C', 50, 100, '15-JAN-03');
1 row created.
SQL> INSERT INTO product VALUES ('R', 25, 10000, null);
1 row created.
SQL>
SQL> SELECT * FROM product;
PRODUCT_NAME PRODUCT_PRICE QUANTITY_ON_HAND LAST_STOC
------------------------- ------------- ---------------- ---------
S 99 1 15-JAN-03
M 75 1000 15-JAN-02
C 50 100 15-JAN-03
R 25 10000
SQL>
SQL> SELECT * FROM product WHERE last_stock_date = '09-JUL-00';
no rows selected
SQL>
SQL> DROP TABLE product;
Table dropped.
SQL>
SQL>
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