විමසුම විශාරදය අන්වර්ථ නාමය

Specifies a field in the table to be used as a primary key.

Create a primary key

Select to create a primary key. Add a primary key to every database table to uniquely identify each record. For some database systems within LibreOffice, a primary key is mandatory for editing the tables.

Automatically add a primary key

Select to automatically add a primary key as an additional field.

Use an existing field as a primary key

Select to use an existing field with unique values as a primary key.

ක්ෂේත්‍ර නාමය

Select the field name.

Auto value

Select to automatically insert a value and increment the field's value for each new record. The database must support automatic incrementation in order to use the Auto value feature.

Define primary key by several fields

Select to create a primary key from a combination of several existing fields.

Available fields

Select a field and click > to add it to the list of primary key fields.

>

Click to move the selected field(s) to the box that the arrow is pointing to.

<

Click to move the selected field(s) to the box that the arrow is pointing to.

Primary key fields

Select a field and click < to remove it from the list of primary key fields. The primary key is created as a concatenation of the fields in this list, from top to bottom.

විමසුම විශාරදය අන්වර්ථ නාමය

Please support us!