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This article mainly explains "mysql how to delete a row of data", the content of the article is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "mysql how to delete a row of data" bar!

In mysql, you can use a delete statement with a WHERE conditional clause to delete a row of data in a data table, and the DELETE statement can delete a specified row or rows of data according to the conditions set by the WHERE clause; the delete syntax is "DELETE FROM table name WHERE field name = field value;"

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

In mysql, you can use a delete statement with a WHERE conditional clause to delete a row of data in a data table.

The DELETE statement can delete one or more rows of data from a single table. The syntax format is:

DELETE FROM [WHERE clause]

The syntax is as follows:

Table name: specifies the name of the table to delete the data.

WHERE clause: optional. Indicates that the deletion condition is qualified for the delete operation, and if the clause is omitted, all rows in the table are deleted.

Example: delete a row of data in a table based on conditions

In the tb_courses_new table, delete the record with course_id 4

DELETE FROM tb_courses WHERE course_id=4

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