Question

What do you understand by Auto Number field in Access? Can you change the data type of any field to Auto Number?

Answer 1

Answer:

Auto number is a type of data used in Microsoft access the tables to generate automatically incremented numeric counter . It may be used to create an identify coloum which uniqely identify each record of a table . Only one auto number is allowed in each table

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Answer 2

Answer:

AutoNumber stores an integer that increments automatically as you add records. If the table does not have a primary key, then AutoNumber uniquely identifies the records. If we delete a record, its AutoNumber value is not reused, and remaining records are not updated. The ID field in a new table is automatically assigned the AutoNumber datatype.

No, we cannot change the datatype of any other field to AutoNumber.