创建数据表
CREATE TABLE COMPANY(
id INTEGER PRIMARY KEY,
userName TEXT NOT NULL,
AGE INT NOT NULL,
ADDRESS CHAR(50) NOT NULL,
SALARY REAL NOT NULL
);
删除数据表
DROP TABLE COMPANY;
添加数据
INSERT INTO COMPANY VALUES(5,'sdd',64,'America',489.00);
删除数据
DELETE FROM abc WHERE id=6;
更新数据
UPDATE COMPANY SET userName="sjtu", AGE=40 WHERE id=2;
查找数据
SELECT * FROM COMPANY WHERE AGE BETWEEN 24 AND 45;