Which of the following constraints can be used to enforce the uniqueness of rows in a table?
Which of the following commands is used to change the structure of table?
You are creating a client application that calls ActiveX DLLs. Which of the following properties of the Err object provides the name of a component that sends an error back to the client application?
This database holds personal information. The user can help to keep it confidential by
If the database holds customer names and addresses, personalised letters can be created automatically using
Application software suited to storing the survey information obtained in the table would be
The characters * and ? are sometimes used in search criteria as
Which of the following field types will generate the primary key automatically?