;按钮,就创建了名为school的数据库: 对‘a’右键,点击最后一个‘刷新’,就可以看见名为‘school’的数据库了: 双击school就可以开始对该数据库进行操作了。 1、创建学生表(student),并将学号设为主键:用同样的方式依次创建成绩表(score)、课程表(course)、教师表(teacher)。2、向表 ...
net -d <database> -U <user> -P <password> -q -c -t "," bcp Student in SampleStudentData -S <server>.database.windows.net -d <database> -U <user> -P <password> -q -c -t "," bcp Credit in SampleCreditData -S <server>.database.windows.net -d <database> -U <user> ...
AI代码解释 ---Table structureforstudent---DROPTABLEIFEXISTS`student`;CREATETABLE`student`(`id`int(11)NOTNULLAUTO_INCREMENTCOMMENT'id',`sno`varchar(20)CHARACTERSETutf8COLLATEutf8_unicode_ciNULLDEFAULTNULLCOMMENT'学号',`sname`varchar(10)CHARACTERSETutf8COLLATEutf8_unicode_ciNULLDEFAULTNULLCOMMENT'学生...
首先,通过SQL命令 “CREATE DATABASE STUDENT”建立一个学生数据库。 然后,新建一个此数据库的用户“wang”。 建立完成后,如下图所示: 然后,新建一个架构。 再通过SQL命令,创建一个学生表、课程表以及学生选课表。 注意:需在当前数据库的当前模式下执行。 向Student表增加“入学时间”列,其数据类型为日期型 将...
Student student_1 Testdb WordPress World Example 1:Write a query to remove the cricket name database from the SQL Server. DROP DATABASE Cricket; In the above DROP DATABASE query example, we remove the cricket database name from the SQL Server. ...
mysql> use mysql;Readingtable information for completion oftableand column namesYou can turn off this feature to get a quicker startup with-ADatabase changedmysql>select database();+---+| database()|+---+| mysql|+---+1 rowinset(0.00 sec) 2、创建数据库 释义 <数据库名>:创建数据...
Student(Sid,Sname,Sage,Ssex) --S# 学生编号,Sname 学生姓名,Sage 出生年月,Ssex 学生性别 2.课程表 Course(Cid,Cname,Tid) --C# --课程编号,Cname 课程名称,T# 教师编号 3.教师表 Teacher(Tid,Tname) --T# 教师编号,Tname 教师姓名 4.成绩表 ...
Database:sz_school_db Table Name:sz_school.teachers,sz_school.studentsAssumptions:-Teacher ZhangSan teaches Class1.-There is only one teacher perclass.Query:SELECTsz_school.students.student_nameFROMsz_school.studentsJOINsz_school.teachersONsz_school.students.student_class=sz_school.teachers.teacher_cl...
In the fast-paced world of IT, where trends like DevOps and Infrastructure as Code (IaC) dominate the landscape, the concepts of Reliability and Observability have seamlessly woven themselves into the fabric of IT operations. For those of us in the field of Database Administration, this evolvin...
SqlCommandfeatures the following methods for executing commands at a SQL Server database: 展开表 You can reset theCommandTextproperty and reuse theSqlCommandobject. However, you must close theSqlDataReaderbefore you can execute a new or previous command. ...