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Today, I would like to share with you how to delete lines with sql delete statements related knowledge points, detailed content, clear logic, I believe that most people are too aware of this knowledge, so share this article for your reference, I hope you will learn something after reading this article, let's take a look at it.

1. Concept

The delete statement deletes one or more rows in a table or view.

2. Delete syntax

DELETE table_or_view FROM table_sources WHERE search_condition

3. Pay attention to use

The DELETE statement deletes only rows from the table and deletes the table from the database. You must use the delete statement.

4. Examples

DELETE FROM table_nameWHERE some_column=some_value

Please pay attention to the WHERE sentence in the SQLDELETE sentence! The WHERE sentence specifies which record or record needs to be deleted. If you omit the WHERE sentence, all records will be deleted! That is, you can delete all rows in the table without deleting the table. This means that the table structure, properties, and indexes remain the same.

These are all the contents of the article "how to delete lines with sql delete sentences". Thank you for reading! I believe you will gain a lot after reading this article. The editor will update different knowledge for you every day. If you want to learn more knowledge, please pay attention to the industry information channel.

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