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In this article, the editor introduces in detail "how to use mysql's select grammar". The content is detailed, the steps are clear, and the details are handled properly. I hope this article "how to use mysql's select grammar" can help you solve your doubts.

1. The keywords in the SQL statement are not case-sensitive, and SELECT is equivalent to SELECT,FROM and from.

2. If you select all the columns from the users table, you can use the symbol * instead of the column name.

Grammar

-- this is a comment-- query all data from the table specified by FEOM. * indicates [all columns] SELECT*FROM-- query the data SELECT column name (field) of the specified column name (field) from the FROM from the specified [table] FROM table name

Example

-- Note: use English commas to separate select username,password from among multiple columns. This article "how to use mysql's select Grammar" has been introduced. If you want to master the knowledge of this article, you still need to practice and use it before you can understand it. If you want to know more about related articles, please follow the industry information channel.

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