TRUNCATE TABLE Demo : TRUNCATE TABLE « Table « Oracle PL / SQL

1. Oracle PL / SQL
2. Table
3. TRUNCATE TABLE

TRUNCATE TABLE Demo

  
delete from PURCHASE;
SQL>
SQL> CREATE TABLE purchase (
  2       product_name  VARCHAR2(25),
  3       quantity      NUMBER(4,2),
  4       purchase_date DATE,
  5       salesperson   VARCHAR2(3)
  6       );

Table created.

SQL>
SQL> INSERT INTO purchase VALUES ('A',   1,  '14-JUL-03', 'CA');

1 row created.

SQL> INSERT INTO purchase VALUES ('B',   75, '14-JUL-03', 'BB');

1 row created.

SQL> INSERT INTO purchase VALUES ('C',   2,  '14-JUL-03', 'GA');

1 row created.

SQL> INSERT INTO purchase VALUES ('D',   8,  '15-JUL-03', 'GA');

1 row created.

SQL> INSERT INTO purchase VALUES ('A',   20, '15-JUL-03', 'LB');

1 row created.

SQL> INSERT INTO purchase VALUES ('B',   2,  '16-JUL-03', 'CA');

1 row created.

SQL> INSERT INTO purchase VALUES ('C',   25, '16-JUL-03', 'LB');

1 row created.

SQL> INSERT INTO purchase VALUES ('D',   2,  '17-JUL-03', 'BB');

1 row created.

SQL>
SQL> SELECT * FROM purchase;

PRODUCT_NAME                QUANTITY PURCHASE_ SAL
------------------------- ---------- --------- ---
A                                  1 14-JUL-03 CA
B                                 75 14-JUL-03 BB
C                                  2 14-JUL-03 GA
D                                  8 15-JUL-03 GA
A                                 20 15-JUL-03 LB
B                                  2 16-JUL-03 CA
C                                 25 16-JUL-03 LB
D                                  2 17-JUL-03 BB

8 rows selected.

SQL>
SQL>
SQL>
SQL> TRUNCATE TABLE purchase;

Table truncated.

SQL>
SQL> SELECT * FROM purchase;

no rows selected

SQL>
SQL>
SQL> drop table purchase;

Table dropped.

SQL>

   
  

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