20 lines
479 B
Plaintext
20 lines
479 B
Plaintext
|
-- 创建表 书籍表
|
||
|
|
CREATE TABLE t_book(
|
||
|
|
id INT,
|
||
|
|
name VARCHAR(30),
|
||
|
|
author VARCHAR(10),
|
||
|
|
price DOUBLE
|
||
|
|
)
|
||
|
|
|
||
|
|
select * from t_book;
|
||
|
|
|
||
|
|
insert into t_book(id, name, author, price) values (1, "项目驱动零起点学java", "马士兵、赵珊珊", 69.8);
|
||
|
|
insert into t_book(id, name, author, price) values (2, "活着", "余华", 45);
|
||
|
|
|
||
|
|
DELETE FROM t_book WHERE id=2;
|
||
|
|
|
||
|
|
UPDATE t_book set price=36.6 WHERE id=1;
|
||
|
|
|
||
|
|
SELECT name, author FROM t_book;
|
||
|
|
SELECT * FROM t_book WHERE price > 40;
|