Field Properties :
The nature of the field is another feature of the display tables ms access in 'Design View'. Its function is to
add characteristics to the table, to control the saiz of the field and to change the data type which is
Tex,Number,Currecy, Date/Time and many others.
| 
Sifat Medan (field
  properties) | 
Keterangan | 
| 
Format | 
Customize the way
  that the field appears by default when it is displayed or printed. | 
| 
Caption | 
Set the text
  displayed by default in labels for forms, reports, and queries. | 
| 
field size | 
Set the maximum size
  for data stored as a Text, Number, or AutoNumber data type. | 
| 
Decimal places | 
Specify the number
  of decimal places to use when displaying numbers. | 
| 
Input mask | 
Display editing
  characters to guide data entry. | 
| 
Default value | 
Automatically assign
  the specified value to a field when a new record is added. | 
| 
validation rule | 
Supply an expression
  that must be true to add or change the value in this field. | 
| 
validation text | 
Enter text that
  appears when a value entered in this field violates the expression in the
  Validation Rule box. | 
| 
text align | 
Specify the default
  alignment of text within a control. | 
| 
smart tags | 
Attach a smart tag
  to the field. | 
| 
Required | 
Require that this
  field must contain a value in every record. | 
| 
Indexed | 
Speed up read access
  to data in this field by creating and using an index. 
 NOTE   The Memo and Hyperlink fields support
  indexes on only the first 255 characters of the field. 
 IMPORTANT
    An index on a field causes
  append, delete, and update operations to take longer, because the index must
  be updated to reflect any changes. | 
 
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