SQL - Constraints • Default
--====================================================
SQL - Constraints • Default
--====================================================
DROP TABLE XX_EMP_TL
CREATE TABLE XX_EMP_TL
(
EMPNO
NUMBER(4),
ENAME
VARCHAR2(100),
HIREDATE
DATE,
SAL
NUMBER(7),
DEPTNO
NUMBER(2),
CREATION_DATE Date
)
select * from XX_EMP_TL
insert into XX_EMP_TL (EMPNO,
ENAME,
HIREDATE, SAL,
DEPTNO,
CREATION_DATE) Values ( 1000, 'Sachin', '1-MAR-2020', 25000, 10, sysdate)
Commit;
select * from XX_EMP_TL
insert into XX_EMP_TL (EMPNO,
ENAME) Values ( 1001, 'Mohan' )
Commit;
select * from XX_EMP_TL
EMPNO
|
ENAME
|
HIREDATE
|
SAL
|
DEPTNO
|
CREATION_DATE
|
1000
|
Sachin
|
01-Mar-20
|
25000
|
10
|
26-03-2020
21:48
|
1001
|
Mohan
|
|
|
|
|
DROP TABLE APPS.XX_EMP_TL
--====================================================
CREATE TABLE XX_EMP_TL
(
EMPNO
NUMBER(4),
ENAME
VARCHAR2(100),
HIREDATE
DATE DEFAULT TO_DATE(sysdate),
SAL
NUMBER(7) DEFAULT 10000,
DEPTNO
NUMBER(2) DEFAULT 10,
CREATION_DATE Date DEFAULT SYSDATE
)
select * from XX_EMP_TL
insert into XX_EMP_TL (EMPNO,
ENAME,
HIREDATE, SAL,
DEPTNO,
CREATION_DATE) Values ( 1000, 'Sachin', '1-MAR-2020', 25000, 10, sysdate)
Commit;
select * from XX_EMP_TL
insert into XX_EMP_TL (EMPNO,
ENAME) Values ( 1001, 'Mohan' )
Commit;
select * from XX_EMP_TL
EMPNO
|
ENAME
|
HIREDATE
|
SAL
|
DEPTNO
|
CREATION_DATE
|
1000
|
Sachin
|
01-Mar-20
|
25000
|
10
|
26-03-2020
21:48
|
1001
|
Mohan
|
26-Mar-20
|
10000
|
10
|
26-03-2020
21:50
|
DROP TABLE APPS.XX_EMP_TL
SELECT * FROM
ALL_CONSTRAINTS
WHERE
TABLE_NAME = 'XX_EMP_TL'
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