×

×

正确！

练习

不正确

点击这里重新尝试。

正确！

下一个 ❯

SQL Select

Exercise 1 Exercise 2 Exercise 3 SQL Select 教程

SQL Where

Exercise 1 Exercise 2 SQL Where 教程

SQL Order By

Exercise 1 Exercise 2 Exercise 3 SQL Order By 教程

SQL And

Exercise 1 SQL And 教程

SQL Or

Exercise 1 SQL Or 教程

SQL Not

Exercise 1 SQL Not 教程

SQL Insert

Exercise 1 SQL Insert 教程

SQL Null

Exercise 1 Exercise 2 SQL Null 教程

SQL Update

Exercise 1 Exercise 2 Exercise 3 SQL Update 教程

SQL Delete

Exercise 1 Exercise 2 SQL Delete 教程

SQL Functions

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 SQL Functions 教程

SQL Like

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 SQL Like 教程

SQL Wildcards

Exercise 1 Exercise 2 Exercise 3 Exercise 4 SQL Wildcards 教程

SQL In

Exercise 1 Exercise 2 SQL In 教程

SQL Between

练习 1 练习 2 练习 3 转到 SQL Between 教程

SQL Alias

Exercise 1 Exercise 2 SQL Alias 教程

SQL Join

练习 1 练习 2 练习 3 前往 SQL JOIN 教程

SQL Group By

Exercise 1 Exercise 2 SQL Group By 教程

SQL Database

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Exercise 6 Exercise 7 SQL Database 教程