查看数据库中已存在的CONSTRAINT_TYPE:
select CONSTRAINT_TYPE from all_constraints group by CONSTRAINT_TYPE;
如下表格:
简写 | 说明 |
---|---|
V | – |
R | – |
U | – |
P | – |
C | – |
O | – |
F | – |
查看数据库中已存在的CONSTRAINT_TYPE:
select CONSTRAINT_TYPE from all_constraints group by CONSTRAINT_TYPE;
如下表格:
简写 | 说明 |
---|---|
V | – |
R | – |
U | – |
P | – |
C | – |
O | – |
F | – |