
数据库对象:表,视图,索引,序列(基础1)
创建表:CREATE TABLE employee_xxx(id NUMBER(4),name VARCHAR2(20),gender CHAR(1),birth DATE,salary NUMBER(6,2),job VARCHAR2(3...
创建表:CREATE TABLE employee_xxx(id NUMBER(4),name VARCHAR2(20),gender CHAR(1),birth DATE,salary NUMBER(6,2),job VARCHAR2(3...