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This article mainly introduces the meaning of and in mysql. It is very detailed and has certain reference value. Friends who are interested must finish reading it.

In mysql, and means "and" and is used to combine two or more conditions in a where sub-statement; when the and keyword is used, records that meet all conditions are returned, and if any of the conditions are not met, such records are excluded.

The operating environment of this tutorial: windows7 system, mysql8.0.22 version, Dell G3 computer.

What does and mean in mysql

And in mysql can combine two or more conditions in the WHERE clause.

When using the and keyword:

All conditions need to be met and such records will be queried.

If any of the conditions are not met, such records will be excluded.

Example:

SELECT * FROM cs_user WHERE age > = 18 AND age

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