When you need to make a number of quick changes to your
database, the Alter Table command can help. You can use the command to quickly
add or delete fields in a table.

For example, to add a new Mobile_Phone
field to the Employees table, follow these steps:

  1. Open
    the database containing the Employees table, then click Queries in the
    objects list in the database window.
  2. Click
    New, Design View, and OK.
  3. Click
  4. Go to
    Query | SQL Specific | Data Definition.
  5. Enter
    the following statement:
    ALTER TABLE Employees ADD COLUMN Mobile_Phone
  6. Click

You can verify that the field was added by opening the
Employees Table in Design View. To delete a field, you would use the following
ALTER TABLE Employees DROP COLUMN Mobile_Phone.

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