ADD file via upload

sql脚本.txt

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+--------数据库加密部分--------
+
+创建数据库主密钥
+CREATE MASTER KEY ENCRYPTION BY PASSWORD ='passW@ord'
+--创建证书
+CREATE CERTIFICATE TestCert with SUBJECT = 'Test Certificate'
+GO
+--创建对称密钥
+CREATE SYMMETRIC KEY TestSymmetric WITH ALGORITHM = AES_256
+    ENCRYPTION BY CERTIFICATE TestCert 
+GO
+
+学生加密：
+OPEN SYMMETRIC KEY TestSymmetric DECRYPTION BY CERTIFICATE TestCert;
+INSERT INTO STUDENT values('123','张三','男','信工院','123456789987654321'
+ ENCRYPTBYKEY(Key_Guid(N'TestSymmetric'), '123456'));
+CLOSE SYMMETRIC KEY TestSymmetric;
+GO
+--查看加密后的数据
+SELECT * FROM STUDENT
+GO
+--解密数据
+OPEN SYMMETRIC KEY TestSymmetric DECRYPTION BY CERTIFICATE TestCert;
+SELECT sno,sname,ssex, CAST(DecryptByKey(s_password) as varchar(100)) Password FROM STUDENT;
+CLOSE SYMMETRIC KEY TestSymmetric;
+GO
+
+--------数据库教师表--------
+
+create table teacher(
+tno varchar(20) CONSTRAINT Teacher_PRIM PRIMARY KEY not null,
+tname nvarchar(10) not NULL,
+tsex char(4) CONSTRAINT tsex_c check(tsex='男' or tsex='女'),
+Dept_ID varchar(20),
+Title varchar(20) constraint title_c check(Title='教授'or Title='副教授' or Title='讲师' or Title='助教'),
+tID_Card char(18) CONSTRAINT tID_check check (tID_Card LIKE'[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][Xx0-9]'),
+t_password varbinary(1000) 
+)
+
+--------数据库试卷表--------
+
+create table Paper(
+Paper_id int,
+tno varchar(20),
+q_type varchar(10),
+q_id int
+)
+alter table Paper 
+add plevel char(2) check(plevel='A' or plevel='B' or plevel='C')
+
+--------数据库试卷-试题表--------
+
+create table TestPaper(
+Paper_id int ,
+q_id int
+)
+
+--------数据库试题表--------
+
+create table question(
+q_type varchar(10) not null,
+q_id int  CONSTRAINT question_PRIM PRIMARY KEY not null,
+answer varchar(200)
+)
+
+--------数据库学生表--------
+
+create table student(
+sno varchar(20) CONSTRAINT Student_PRIM PRIMARY KEY not null,
+sname nvarchar(10) not NULL,
+ssex char(4) CONSTRAINT sex_c check(ssex='男' or ssex='女'),
+Dept_ID varchar(20),
+ID_Card char(18) CONSTRAINT ID_check check (ID_Card LIKE'[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][Xx0-9]'),
+s_password varbinary(1000)
+)
+