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How can you write a SQL statement

Time:10-02

Refer to the!!!!! How can you learn to write good (even though it's o?

CodePudding user response:

To BBS an hour every day, look at the others how to ask questions, which any reply posts;

Key tip: to learn system, systematic, holistic, systematic;

CodePudding user response:

However, how to systematize ah???????

CodePudding user response:

Practise reading,
Practise reading,
Practise reading,
The hand can't lazy

CodePudding user response:

How to write, write more, write more, and help other people solve problems, and more,

CodePudding user response:

People find PK, the lines, a SQL written in many ways as far as possible,,

CodePudding user response:

http://wenku.baidu.com/view/23685c956bec0975f465e22e.html? The from=search
According to this document, read their exercise 1, 2,
Can cope with the early, intermediate developer of daily demand,
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