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hantianzhun committed Nov 18, 2024
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4 changes: 2 additions & 2 deletions README.md
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@@ -1,6 +1,6 @@
# 枕上诗书闲的博客 :link: https://hantianzhun.github.io/blog
### :page_facing_up: [8](https://hantianzhun.github.io/blog/tag.html)
### :speech_balloon: 0
### :hibiscus: 37459
### :alarm_clock: 2024-11-18 12:06:09
### :hibiscus: 37416
### :alarm_clock: 2024-11-18 12:12:23
### Powered by :heart: [Gmeek](https://github.com/Meekdai/Gmeek)
42 changes: 21 additions & 21 deletions backup/SQL语句的练习.md
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Expand Up @@ -11,39 +11,39 @@ CREATE DATABASE IF NOT EXISTS exam CHARSET=utf8;
USE exam;

/*创建部门表*/
CREATE TABLE dept(
deptno INT PRIMARY KEY,
dname VARCHAR(50),
loc VARCHAR(50)
CREATE TABLE dept(
deptno INT PRIMARY KEY,
dname VARCHAR(50),
loc VARCHAR(50)
);

/*创建雇员表*/
CREATE TABLE emp(
empno INT PRIMARY KEY,
ename VARCHAR(50),
job VARCHAR(50),
mgr INT,
hiredate DATE,
sal DECIMAL(7,2),
COMM DECIMAL(7,2),
deptno INT
empno INT PRIMARY KEY,
ename VARCHAR(50),
job VARCHAR(50),
mgr INT,
hiredate DATE,
sal DECIMAL(7,2),
COMM DECIMAL(7,2),
deptno INT
);

/*创建工资等级表*/
CREATE TABLE salgrade(
grade INT PRIMARY KEY,
losal INT,
hisal INT
grade INT PRIMARY KEY,
losal INT,
hisal INT
);

/*创建学生表*/
CREATE TABLE stu(
sid INT PRIMARY KEY,
sname VARCHAR(50),
age INT,
gander VARCHAR(10),
province VARCHAR(50),
tuition INT
sid INT PRIMARY KEY,
sname VARCHAR(50),
age INT,
gander VARCHAR(10),
province VARCHAR(50),
tuition INT
);

/*插入dept表数据*/
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2 changes: 1 addition & 1 deletion blogBase.json
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Large diffs are not rendered by default.

124 changes: 62 additions & 62 deletions docs/post/8.html
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Original file line number Diff line number Diff line change
Expand Up @@ -23,39 +23,39 @@
USE exam;
/*创建部门表*/
CREATE TABLE dept(
deptno INT PRIMARY KEY,
dname VARCHAR(50),
loc VARCHAR(50)
CREATE TABLE dept(
deptno INT PRIMARY KEY,
dname VARCHAR(50),
loc VARCHAR(50)
);
/*创建雇员表*/
CREATE TABLE emp(
empno INT PRIMARY KEY,
ename VARCHAR(50),
job VARCHAR(50),
mgr INT,
hiredate DATE,
sal DECIMAL(7,2),
COMM DECIMAL(7,2),
deptno INT
empno INT PRIMARY KEY,
ename VARCHAR(50),
job VARCHAR(50),
mgr INT,
hiredate DATE,
sal DECIMAL(7,2),
COMM DECIMAL(7,2),
deptno INT
);
/*创建工资等级表*/
CREATE TABLE salgrade(
grade INT PRIMARY KEY,
losal INT,
hisal INT
grade INT PRIMARY KEY,
losal INT,
hisal INT
);
/*创建学生表*/
CREATE TABLE stu(
sid INT PRIMARY KEY,
sname VARCHAR(50),
age INT,
gander VARCHAR(10),
province VARCHAR(50),
tuition INT
sid INT PRIMARY KEY,
sname VARCHAR(50),
age INT,
gander VARCHAR(10),
province VARCHAR(50),
tuition INT
);
/*插入dept表数据*/
Expand Down Expand Up @@ -296,39 +296,39 @@
USE exam;
/*创建部门表*/
CREATE TABLE dept(
deptno INT PRIMARY KEY,
dname VARCHAR(50),
loc VARCHAR(50)
CREATE TABLE dept(
deptno INT PRIMARY KEY,
dname VARCHAR(50),
loc VARCHAR(50)
);
/*创建雇员表*/
CREATE TABLE emp(
empno INT PRIMARY KEY,
ename VARCHAR(50),
job VARCHAR(50),
mgr INT,
hiredate DATE,
sal DECIMAL(7,2),
COMM DECIMAL(7,2),
deptno INT
empno INT PRIMARY KEY,
ename VARCHAR(50),
job VARCHAR(50),
mgr INT,
hiredate DATE,
sal DECIMAL(7,2),
COMM DECIMAL(7,2),
deptno INT
);
/*创建工资等级表*/
CREATE TABLE salgrade(
grade INT PRIMARY KEY,
losal INT,
hisal INT
grade INT PRIMARY KEY,
losal INT,
hisal INT
);
/*创建学生表*/
CREATE TABLE stu(
sid INT PRIMARY KEY,
sname VARCHAR(50),
age INT,
gander VARCHAR(10),
province VARCHAR(50),
tuition INT
sid INT PRIMARY KEY,
sname VARCHAR(50),
age INT,
gander VARCHAR(10),
province VARCHAR(50),
tuition INT
);
/*插入dept表数据*/
Expand Down Expand Up @@ -636,38 +636,38 @@ <h1 class="postTitle">SQL语句的练习</h1>

<span class="pl-c"><span class="pl-c">/*</span>创建部门表<span class="pl-c">*/</span></span>
<span class="pl-k">CREATE</span> <span class="pl-k">TABLE</span> <span class="pl-en">dept</span>(
deptno <span class="pl-k">INT</span> <span class="pl-k">PRIMARY KEY</span>,
dname <span class="pl-k">VARCHAR</span>(<span class="pl-c1">50</span>),
loc <span class="pl-k">VARCHAR</span>(<span class="pl-c1">50</span>)
deptno <span class="pl-k">INT</span> <span class="pl-k">PRIMARY KEY</span>,
dname <span class="pl-k">VARCHAR</span>(<span class="pl-c1">50</span>),
loc <span class="pl-k">VARCHAR</span>(<span class="pl-c1">50</span>)
);

<span class="pl-c"><span class="pl-c">/*</span>创建雇员表<span class="pl-c">*/</span></span>
<span class="pl-k">CREATE</span> <span class="pl-k">TABLE</span> <span class="pl-en">emp</span>(
empno <span class="pl-k">INT</span> <span class="pl-k">PRIMARY KEY</span>,
ename <span class="pl-k">VARCHAR</span>(<span class="pl-c1">50</span>),
job <span class="pl-k">VARCHAR</span>(<span class="pl-c1">50</span>),
mgr <span class="pl-k">INT</span>,
hiredate <span class="pl-k">DATE</span>,
sal <span class="pl-k">DECIMAL</span>(<span class="pl-c1">7</span>,<span class="pl-c1">2</span>),
COMM <span class="pl-k">DECIMAL</span>(<span class="pl-c1">7</span>,<span class="pl-c1">2</span>),
deptno <span class="pl-k">INT</span>
empno <span class="pl-k">INT</span> <span class="pl-k">PRIMARY KEY</span>,
ename <span class="pl-k">VARCHAR</span>(<span class="pl-c1">50</span>),
job <span class="pl-k">VARCHAR</span>(<span class="pl-c1">50</span>),
mgr <span class="pl-k">INT</span>,
hiredate <span class="pl-k">DATE</span>,
sal <span class="pl-k">DECIMAL</span>(<span class="pl-c1">7</span>,<span class="pl-c1">2</span>),
COMM <span class="pl-k">DECIMAL</span>(<span class="pl-c1">7</span>,<span class="pl-c1">2</span>),
deptno <span class="pl-k">INT</span>
);

<span class="pl-c"><span class="pl-c">/*</span>创建工资等级表<span class="pl-c">*/</span></span>
<span class="pl-k">CREATE</span> <span class="pl-k">TABLE</span> <span class="pl-en">salgrade</span>(
grade <span class="pl-k">INT</span> <span class="pl-k">PRIMARY KEY</span>,
losal <span class="pl-k">INT</span>,
hisal <span class="pl-k">INT</span>
grade <span class="pl-k">INT</span> <span class="pl-k">PRIMARY KEY</span>,
losal <span class="pl-k">INT</span>,
hisal <span class="pl-k">INT</span>
);

<span class="pl-c"><span class="pl-c">/*</span>创建学生表<span class="pl-c">*/</span></span>
<span class="pl-k">CREATE</span> <span class="pl-k">TABLE</span> <span class="pl-en">stu</span>(
sid <span class="pl-k">INT</span> <span class="pl-k">PRIMARY KEY</span>,
sname <span class="pl-k">VARCHAR</span>(<span class="pl-c1">50</span>),
age <span class="pl-k">INT</span>,
gander <span class="pl-k">VARCHAR</span>(<span class="pl-c1">10</span>),
province <span class="pl-k">VARCHAR</span>(<span class="pl-c1">50</span>),
tuition <span class="pl-k">INT</span>
sid <span class="pl-k">INT</span> <span class="pl-k">PRIMARY KEY</span>,
sname <span class="pl-k">VARCHAR</span>(<span class="pl-c1">50</span>),
age <span class="pl-k">INT</span>,
gander <span class="pl-k">VARCHAR</span>(<span class="pl-c1">10</span>),
province <span class="pl-k">VARCHAR</span>(<span class="pl-c1">50</span>),
tuition <span class="pl-k">INT</span>
);

<span class="pl-c"><span class="pl-c">/*</span>插入dept表数据<span class="pl-c">*/</span></span>
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44 changes: 22 additions & 22 deletions docs/rss.xml
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@@ -1,5 +1,5 @@
<?xml version='1.0' encoding='UTF-8'?>
<rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/" version="2.0"><channel><title>枕上诗书闲的博客</title><link>https://hantianzhun.github.io/blog</link><description>个人使用的一个博客</description><copyright>枕上诗书闲的博客</copyright><docs>http://www.rssboard.org/rss-specification</docs><generator>python-feedgen</generator><image><url>https://avatars.githubusercontent.com/u/118879111?v=4</url><title>avatar</title><link>https://hantianzhun.github.io/blog</link></image><lastBuildDate>Mon, 18 Nov 2024 04:06:09 +0000</lastBuildDate><managingEditor>枕上诗书闲的博客</managingEditor><ttl>60</ttl><webMaster>枕上诗书闲的博客</webMaster><item><title>SQL语句的练习</title><link>https://hantianzhun.github.io/blog/post/8.html</link><description>### 1.导入exam-utf8（无外键）数据库&#13;
<rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/" version="2.0"><channel><title>枕上诗书闲的博客</title><link>https://hantianzhun.github.io/blog</link><description>个人使用的一个博客</description><copyright>枕上诗书闲的博客</copyright><docs>http://www.rssboard.org/rss-specification</docs><generator>python-feedgen</generator><image><url>https://avatars.githubusercontent.com/u/118879111?v=4</url><title>avatar</title><link>https://hantianzhun.github.io/blog</link></image><lastBuildDate>Mon, 18 Nov 2024 04:12:23 +0000</lastBuildDate><managingEditor>枕上诗书闲的博客</managingEditor><ttl>60</ttl><webMaster>枕上诗书闲的博客</webMaster><item><title>SQL语句的练习</title><link>https://hantianzhun.github.io/blog/post/8.html</link><description>### 1.导入exam-utf8（无外键）数据库&#13;
&#13;
&gt; [!TIP]&#13;
&gt; 导入数据库是为了方便后面的查询练习&#13;
Expand All @@ -12,39 +12,39 @@ CREATE DATABASE IF NOT EXISTS exam CHARSET=utf8; &#13;
USE exam;&#13;
&#13;
/*创建部门表*/&#13;
CREATE TABLE dept(&#13;
deptno INT PRIMARY KEY,&#13;
dname VARCHAR(50),&#13;
loc VARCHAR(50)&#13;
CREATE TABLE dept(
deptno INT PRIMARY KEY,&#13;
dname VARCHAR(50),&#13;
loc VARCHAR(50)&#13;
);&#13;
&#13;
/*创建雇员表*/&#13;
CREATE TABLE emp(&#13;
empno INT PRIMARY KEY,&#13;
ename VARCHAR(50),&#13;
job VARCHAR(50),&#13;
mgr INT,&#13;
hiredate DATE,&#13;
sal DECIMAL(7,2),&#13;
COMM DECIMAL(7,2),&#13;
deptno INT&#13;
empno INT PRIMARY KEY,&#13;
ename VARCHAR(50),&#13;
job VARCHAR(50),&#13;
mgr INT,&#13;
hiredate DATE,
sal DECIMAL(7,2),&#13;
COMM DECIMAL(7,2),&#13;
deptno INT&#13;
);&#13;
&#13;
/*创建工资等级表*/&#13;
CREATE TABLE salgrade(&#13;
grade INT PRIMARY KEY,&#13;
losal INT,&#13;
hisal INT&#13;
grade INT PRIMARY KEY,&#13;
losal INT,&#13;
hisal INT&#13;
);&#13;
&#13;
/*创建学生表*/&#13;
CREATE TABLE stu(&#13;
sid INT PRIMARY KEY,&#13;
sname VARCHAR(50),&#13;
age INT,&#13;
gander VARCHAR(10),&#13;
province VARCHAR(50),&#13;
tuition INT&#13;
sid INT PRIMARY KEY,&#13;
sname VARCHAR(50),&#13;
age INT,&#13;
gander VARCHAR(10),&#13;
province VARCHAR(50),&#13;
tuition INT&#13;
);&#13;
&#13;
/*插入dept表数据*/&#13;
Expand Down

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