📄 jiaoxuedb1.sql
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use jiaoxuedb
select * from Teacher
select * from sysdatabases where name='jiaoxuedb'
INSERT INTO SC VALUES('S3','C2',70)
INSERT INTO SC VALUES('S3','C4',85)
INSERT INTO SC VALUES('S4','C2',85)
INSERT INTO SC VALUES('S4','C3',83)
INSERT INTO SC VALUES('S5','C2',89)
SELECT AGE,DEPT FROM STUDENT WHERE DEPT='计算机'
UPDATE STUDENT SET AGE=AGE+1 WHERE DEPT='计算机'
SELECT AGE,DEPT FROM STUDENT WHERE DEPT='计算机'
SELECT SNO,CNO,SCORE FROM SC WHERE SCORE<60
CREATE DATABASE MAKEUP_S
ON
(NAME='MAKEUP_MDF',
FILENAME='G:\pw\MAKEUP.MDF',
SIZE=5MB,
FILEGROWTH=10%)
LOG ON
(NAME='MAKEUP_LDF',
FILENAME='G:\pw\MAKEUP.LDF',
SIZE=5MB,
FILEGROWTH=10%)
CREATE TABLE MAKEUP_S (SNO CHAR(6) NOT NULL,
CNO CHAR(5) NOT NULL,
SCORE SMALLINT)
USE JIAOXUEDB
SELECT SNO,CNO,SCORE INTO MAKEUP_S FROM SC WHERE SCORE<60
DROP TABLE MAKEUP_S
DELETE FROM MAKEUP_S WHERE SCORE<20
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