In case of entity integrity the primary key may be declared, Database Management System

In case of entity integrity, the primary key may be declared?

In a case of entity integrity primary key may be not Null.

Posted Date: 5/8/2013 6:25:15 AM | Location : United States







Related Discussions:- In case of entity integrity the primary key may be declared, Assignment Help, Ask Question on In case of entity integrity the primary key may be declared, Get Answer, Expert's Help, In case of entity integrity the primary key may be declared Discussions

Write discussion on In case of entity integrity the primary key may be declared
Your posts are moderated
Related Questions
Accessing information about permissions to all users- Object level permissions: With the use of data dictionary you can see the permissions to user. Let us get the table name fro

Normalize the given relation to 3NF, justifying each step

In an organization several projects are undertaken. Each project can employ one or more employees. Each employee can work on one or more projects. Each project is undertaken on the

The definition of the classes and operation can often be adjusted to increase the amount of inheritance". Justify the above statement.   Adjustment of Inheritance The def

Question: Describe briefly the three parts of the Relational Model. (a) The term integrity refers to the accuracy or correctness of the data in the database. Define the fol

Indexed (Indexed Sequential) File Organisation It organises the file like a big dictionary, i.e., records are kept in order of the key but an index is stored which also allows

Which operator is used to compare a value to a list of literals values that have been specified? BETWEEN operator is used to compare a value to a list of literals values that h

Explain Candidate Key and Super Key A super key is a set of one or more than attributes that, taken collectively, permits us to identify uniquely a tuple in the relation. Wher

Question 1: a) What is the difference between a non-impact and impact printer? b) Which type of printer is generally used in a supermarket to print your receipt? Describe

Association as a cache This association must be updated when any new element is added to it, but testing for overlap using association is more efficient.    Figure: