Validating database

You can use this to read any data in your database in your rule expressions.

For instance, if we wanted to allow users to read node.

If your backups can't be used to recover the database, then they're useless.Developers must also consider if presence validations should be backed by constraints in the schema, or if inclusion validations should be backed by check constraints.When all is said and done, it’s not uncommon to duplicate the majority of validations in schema and models.For more information about data types, field sizes, and input masks, see the article Introduction to data types and field properties.You can define validation rules for table fields and for controls on forms.

Leave a Reply