Question

what data type is used to places where the field can have only one possible value is​

Answer 1

Answer:

With the Design view of the CustomerMaster table open, select the Data type section of the first field and click the drop-down arrow. A list of predefined data type choices becomes visible. These data types are: Text, Memo, Number, Date/Time, Currency, AutoNumber, Yes/No, OLE Object, Hyperlink, and Attachment.Choosing the right data types for your tables, stored procedures, and variables not only improves performance by ensuring a correct execution plan, but it also improves data integrity by ensuring that the correct data is stored within a database.The default data type for a field is Text✹