तालिका विज़ॉर्ड - प्राथमिक कुंजी सेट करें

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# Table Wizard - Set Primary Key

तालिका में क्षेत्र निर्धारित करता है जो कि प्राथमिक कुंजी के रूप में इस्तेमाल में आता है.

## एक प्राथमिक कुंजी बनाएँ

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.

#### क्षेत्र नाम

Select the field name.

#### स्वतः मूल्य

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.

### कई क्षेत्र में प्राथमिक कुंजी परिभाषित करें

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

#### उपलब्ध क्षेत्र

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.

#### प्राथमिक कुंजी फील्ड

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.

Table Wizard - Create table