answersLogoWhite

0

There are six keys in database that we use . Each key serves specific functions like primary is used to identify a tuple uniquely. Keys in database are Primary, surrogate, foreign, alternate , candidate, super.

User Avatar

Wiki User

10y ago

What else can I help you with?

Related Questions

What are secondary keys?

Secondary keys are the database keys that hold the physical location of a portion of a record in a database or file. They provide a secondary way of accessing the information.


Types of keys?

There are many keys in database each having particular use. Types of keys in database are : Primary key, candidate key, alternate key, foreign key, surrogate key.


What are the basic components of a database?

Tables, Entities, Attributes, Primary Keys, and Foreign Keys


How does a database store data about its tables?

A database is used to store data in its tables by a specified number of rows and columns. Each database also uses specific cells, foreign keys, and unique keys.


What is data set in c sharp?

An in-memory database. The database contains tables and constraints, and data.


What do you mean by zip code in database?

Zip code is the US term for Post Code


How many Auto Keys macros can be created in a database?

4


What is the meaning for primary key in database?

With reference to Databases, what are Primary keys?


How functional dependency is related to database table design?

The functional dependency is related to the database table design through the foreign and primary keys. The foreign and primary keys are functionally dependent on each other.


What does the term database record mean?

Record holds data about one object with its attributes specified in table.


What is the term 'field' mean in databases?

"Field" equates to a column of a database table, the two terms are interchangeable.


Difference between database and relational database?

A relational database is a type of database, so in one sense there is no difference. There are various kinds of database. A relational database is one type. Others include network and hierarchical.