employees and projects scenario, Database Management System

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What is primary key, What is Primary key? Primary Key - Primary key i...

What is Primary key? Primary Key - Primary key is one of the candidate keys which uniquely identifies each row in the relation.

For known, What are the function of DBA?

What are the function of DBA?

What are the problems in database normalization, What are the problems if o...

What are the problems if one were not to normalize?  When do these problems surface?           Ans:  Database normalization, sometimes considered to as  canonical synthesis, is

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How can we Classify the operations on classes  This step fundamentally means all three models functional, object and dynamic (studied in last section) must be combined so that

Conflicting operations in schedule, Conflicting Operations in Schedule: ...

Conflicting Operations in Schedule: The three simple ways of interleaved instruction implement of transactions T1 and T2. Please note that in the following tables the first col

Explain alternate key, Explain Alternate key? Alternate Key - All the...

Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.

Illustrate the fifth normal form, Fifth Normal Form (5NF) These relatio...

Fifth Normal Form (5NF) These relations still have a difficulty. While defining the 4NF we mentioned that all the attributes depend upon each other. Whereas creating the two ta

Normalization e, explain normalization,and give the examples 1NF,2NF,3NF,BC...

explain normalization,and give the examples 1NF,2NF,3NF,BCNF.AND FUNCTIONAL DEPANDENACY AND DECOMPOSITION TECHNIQUES.

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