what is constraint in mysql ? brief description of any two constraints
Answers
Answered by
1
MySQL CONSTRAINT is used to define rules to allow or restrict what values can be stored in columns. The purpose of inducing constraints is to enforce the integrity of a database.
MySQL CONSTRAINTS are used to limit the type of data that can be inserted into a table.
MySQL CONSTRAINTS can be classified into two types - column level and table level.
MySQL CONSTRAINTS are used to limit the type of data that can be inserted into a table.
MySQL CONSTRAINTS can be classified into two types - column level and table level.
Similar questions