1) Referential Integrity refers to the ability of the database to KEEP related data from being corrupted. The data references between tables must remain intact. For example in the PERSONNEL System demonstration Iapplication database, all of the records in the Section table require a Department Code2) To edit a field's properties:Click the table name in the table bar of your app.Click Settings in the page bar, then click Fields on the Settings page.Click the field name to access its properties.Click the name of the field that you want to modify. If you have lots of fields, you may NEED to scroll down to find it, or filter or sort the list.Make the necessary changes, and then click Save.Tip: For information about a particular field property, click Help in the global bar, and click the About Field Types link. In the help file, click field TYPE to see help on the properties for that field type.Q 3 and Q4 I don't know Q5 A form is a database object that you can use to enter, edit, or display data from a table or a query. You can use forms to CONTROL access to data, such as which fields of data are displayed. For example, certain users may not need to see all of the fields in a table.Please mark me as brainliest