Oracle添加删除主键、索引

Oracle添加删除主键、索引

DDL

-- 删除表 EMPLOYEE 主键 PK_EMPLOYEE
alter table EMPLOYEE drop constraint PK_EMPLOYEE;
-- 删除索引 IDX_EMPLOYEE
drop index IDX_EMPLOYEE;
-- 添加主键
alter table EMPLOYEE add constraint PK_EMPLOYEE primary key (ID);
-- 添加索引
create unique index IDX_EMPLOYEE on EMPLOYEE (ID);