chapter1_sql_server_solution2_db_modify.sql

来自「sql的原代码可以供学习sql的人提供好的学习材料」· SQL 代码 · 共 14 行

ALTER TABLE Attendance
  DROP COLUMN Location;

ALTER TABLE Attendance
  ADD LocationId integer;

CREATE TABLE Location
(
    LocationId integer,
    Street varchar(100),
    City varchar(75),
    State varchar(75)
);