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6 Commits
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6b3de7ecba
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13
数据库/头歌/主键约束/主键约束.sh
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13
数据库/头歌/主键约束/主键约束.sh
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@ -0,0 +1,13 @@
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sqlcmd -S localhost -U sa -P '<123123Aa!@>'
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CREATE DATABASE MyDb;
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go
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USE MyDb;
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go
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CREATE TABLE t_user1 (userId INT PRIMARY KEY, name VARCHAR(32), password VARCHAR(32) ,phone VARCHAR(11),email VARCHAR(32));
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go
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CREATE TABLE t_user2 (name VARCHAR(32), phone VARCHAR(11), email VARCHAR(32), PRIMARY KEY (name, phone));
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go
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15
数据库/头歌/创建表/创建表.sh
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15
数据库/头歌/创建表/创建表.sh
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sqlcmd -S localhost -U sa -P '<123123Aa!@>'
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CREATE DATABASE TestDb;
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go
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USE TestDb;
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go
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CREATE TABLE t_emp
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(
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id INT,
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name VARCHAR(32),
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deptId INT,
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salary FLOAT
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)
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go
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11
数据库/头歌/外键约束/外键约束.sh
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11
数据库/头歌/外键约束/外键约束.sh
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@ -0,0 +1,11 @@
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sqlcmd -S localhost -U sa -P '<123123Aa!@>'
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CREATE DATABASE MyDb;
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go
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USE MyDb;
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go
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CREATE TABLE t_class (id INT PRIMARY KEY, name VARCHAR(22));
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go
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CREATE TABLE t_student (id INT PRIMARY KEY, name VARCHAR(22), classId INT ,CONSTRAINT fk_stu_class1 FOREIGN KEY (classId) REFERENCES t_class(id));
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go
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39
数据库/头歌/数据的删除/数据的删除.sh
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39
数据库/头歌/数据的删除/数据的删除.sh
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-- ********** create database ********** --
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-- ********** Begin ********** --
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CREATE DATABASE website;
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-- ********** End ********** --
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go
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use website
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go
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-- ********** create table ********** --
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-- ********** Begin ********** --
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CREATE TABLE shopping (
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ID int IDENTITY(1,1) NOT NULL,
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Name varchar(20) NOT NULL,
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address varchar(30) NOT NULL
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);
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-- ********** End ********** --
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go
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SET NOCOUNT ON
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insert into shopping (Name, address) values ('eBay', 'www.ebay.com')
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go
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SET NOCOUNT ON
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-- ********** insert ********** --
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-- ********** Begin ********** --
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insert into shopping (Name, address) values ('amazon', 'www.amazon.com');
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-- ********** End ********** --
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go
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SET NOCOUNT ON
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-- ********** delete ********** --
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-- ********** Begin ********** --
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DELETE FROM shopping WHERE Name = 'eBay';
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-- ********** End ********** --
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go
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33
数据库/头歌/数据的插入/数据的插入.sh
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33
数据库/头歌/数据的插入/数据的插入.sh
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-- ********** create database ********** --
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-- ********** Begin ********** --
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create database school
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-- ********** End ********** --
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go
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use school
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go
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-- ********** create table ********** --
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-- ********** Begin ********** --
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create table teacher(
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ID int not null,
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Name varchar(20) not null,
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sex char(2) not null,
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Phone varchar(20) null
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)
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-- ********** End ********** --
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go
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SET NOCOUNT ON
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-- ********** insert ********** --
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-- ********** Begin ********** --
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insert into teacher(ID, Name, sex, Phone)
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values(1, 'Lucy', 'F', NULL)
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-- ********** End ********** --
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go
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16
数据库/头歌/通配符[]的使用/通配符[]的使用.sh
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16
数据库/头歌/通配符[]的使用/通配符[]的使用.sh
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USE Mall
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Go
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SET NOCOUNT ON
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---------- retrieving with wildcard [] ----------
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-- ********** Begin ********** --
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SELECT prod_id, prod_name, prod_price
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FROM Products
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WHERE prod_name NOT LIKE 'B%';
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-- ********** End ********** --
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GO
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