完成内容保存

数据库/头歌/SQLServer 储存过程的创建与使用/1. SQLServer 储存过程的创建与使用.sh

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+USE studentdb
+go
+
+SET NOCOUNT ON 
+go
+--********** create proc_student_info **********--
+--********** Begin **********--
+CREATE PROCEDURE proc_student_info
+AS
+BEGIN
+    SELECT * FROM student
+END
+--********** End **********--
+go
+exec proc_student_info
+go
+
+--********** create proc_sno **********--
+--********** Begin **********--
+CREATE PROCEDURE proc_sno
+    @sno varchar(20)
+AS
+BEGIN
+    SELECT * FROM student WHERE sno = @sno
+END
+--********** End **********--
+go
+exec proc_sno '1001'
+go
+
+--********** create proc_add **********--
+--********** Begin **********--
+CREATE PROCEDURE proc_add
+    @sno varchar(20),
+    @sname varchar(20),
+    @sex varchar(10),
+    @birthday date,
+    @discipline varchar(20),
+    @school varchar(20)
+AS
+BEGIN
+    INSERT INTO student(sno, sname, sex, birthday, discipline, school)
+    VALUES(@sno, @sname, @sex, @birthday, @discipline, @school)
+END
+--********** End **********--
+go
+exec proc_add '1004','HMM','female','2019-6-2','English','national school'
+go
+exec proc_student_info
+go
+
+--********** create student_del **********--
+--********** Begin **********--
+CREATE PROCEDURE student_del
+    @sno varchar(20)
+AS
+BEGIN
+    IF EXISTS (SELECT * FROM student WHERE sno = @sno)
+    BEGIN
+        DELETE FROM student WHERE sno = @sno
+        PRINT 'successfully deleted'
+    END
+    ELSE
+        PRINT 'No such student'
+END
+--********** End **********--
+go
+exec student_del '1001'
+go
+exec proc_student_info
+go
+

数据库/头歌/创建数据库/数据库创建与管理.sh

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+sqlcmd -S localhost -U sa -P '<123123Aa!@>'
+select name from sys.databases
+create database TestDb
+create database MyDb
+go

数据库/头歌/数据的查询/2. 带限制条件的查询和表达式查询.sh

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+USE Mall
+Go
+
+SET NOCOUNT ON
+
+---------- retrieving with limited ----------
+-- ********** Begin ********** --
+SELECT prod_name
+FROM Products
+WHERE prod_name LIKE '%toy%';
+-- ********** End ********** --
+GO
+
+---------- retrieving with expression ----------
+-- ********** Begin ********** --
+SELECT prod_price, prod_price * 0.8 AS discount_price
+FROM Products;
+-- ********** End ********** --
+GO

数据库/头歌/数据的查询/3. 使用WHERE语句进行检索.sh

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+USE Mall
+Go
+
+SET NOCOUNT ON
+
+---------- retrieving with range ----------
+-- ********** Begin ********** --
+SELECT prod_name, prod_price
+FROM Products
+WHERE prod_price BETWEEN 3 AND 5;
+-- ********** End ********** --
+
+GO
+
+---------- retrieving with nomatches ----------
+-- ********** Begin ********** --
+SELECT prod_name, prod_price
+FROM Products
+WHERE prod_name <> 'Lion toy';
+-- ********** End ********** --
+
+GO