如何从头学习SQL？ [英] How to learn sql from scratch ?

问题描述

我是编码的新手。我想为我的工作学习SQL，但我对此一无所知。



我尝试了什么：



不知道从哪里开始。谷歌放弃了许多答案，但我无法找到确切的链接。

I am new to coding. I want learn SQL for my work, but i don't know anything about it.

What I have tried:

Don't know where to start. Google gives up many answers,but m not able to find out the precise link.

推荐答案

你可能会在网上找到很多很多教程。看看，例如w3schools的SQL教程 [ ^ ]。

You may find many, many tutorials on the web. Have a look, for instance at "SQL Tutorial" of w3schools[^].

一步解决方案可以Sql Course 适合初学者。

One Step Solution Can Be Sql Course for a beginner.

买一本书。

我个人推荐Joe Celko的SQL for Smarties。

它不受任何特定版本的SQL限制，他也是SQL-92标准的定义委员会，所以他知道他的东西。 br />
这是一本看似简单的书，但非常涵盖。

Buy a book.
I personally recommend "SQL for Smarties" by Joe Celko.
It's not bound to any specific version of SQL and he was also on the defining committee for the SQL-92 standard, so he knows his stuff.
It's a deceptively simple book, but covers very much.

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