0
i key field is a field with with a key in the middle :)
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
What are field can be used as primary key?
A field or set a of fields Êin a database tableÊwith unique values Êcan be used as a primary key.ÊPrimary key field cannot have a null value.
What characteristics in a database fields may have such as data type field name field size and field format?
What characteristics could a database field have, such as data type, field name, field size and field format?
Which is the largest component found inside a database field?
field
What is the key fields in a database?
what is a Absolute reference
What is a computer field?
A computer field is the smallest piece of information on a database. NC
What is the primary key field of a database?
its a unique key use to identify data in database
Can you insert primary key only to one field in the database?
Yes. Primary key can be inserted to one field in the database. The field should be unique and not null.
What is the primary key field in a database?
what is a Absolute reference
What is a key field do?
If you are referring to a database, the Key Field is a field used to uniquely identify each record. It preserves the order of the original database, before any sorting or rearranging has been done.
What is a field that has a unique value for each record in a database?
Primary key
Is a student form suitable for a database field to use as a primary key?
no
Which type of database model connects data in different files through the use of a key field?
The relational database model connects data through the use of a key field, which is called a primary key in one table and a foreign key in another table. This key field establishes a relationship between different tables by uniquely identifying records.
What is keyfield?
A key field is a field of a database table which forms an identifier for a record. It holds a unique data which distinguishes the record from all the other records in the database.
Why is it necessary to have a primary key for each table of information of your database?
to have unique field
What are field can be used as primary key?
A field or set a of fields Êin a database tableÊwith unique values Êcan be used as a primary key.ÊPrimary key field cannot have a null value.
What command is used to change contents of one database using the contents of another database by linking them on a common key field?
The SQL command UPDATE can be used to change contents of one database using the contents of another database by joining them on a common key field. You would typically use a query with a join condition between the two tables based on the common key field to update the fields in the target table with values from the source table.
What is key in rdbms?
When a database table has a key which consists of more than one field, a partial key refers to any one of those fields.
