Hierarchical model is also known by, Database Management System

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Hierarchical model is also known by?

A hierarchical model is also known as a Tree structure.

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Write short notes on schema diagram, Write short notes on Schema diagram. ...

Write short notes on Schema diagram. A database schema along with primary key and foreign key dependencies can be depicted pictorially by schema diagram. Every relation appears

Example of alter table command, Example - ALTER TABLE emp MODIFY (empno NUM...

Example - ALTER TABLE emp MODIFY (empno NUMBER (7));

Normalize table 3nf , Normalize the following tables upto and including the...

Normalize the following tables upto and including the 3NF. Submit a 1 page printout of only the final set of normalized tables in Data Architect. Just use Data Architect to do the

What are the two aspect to the implementation of association, What are the ...

What are the two distinct aspects to the implementation of associations? i) It is required to define data declarations which will enable details of actual links to be stored. I

What is aggregate function, What is aggregate function? Briefly describe it...

What is aggregate function? Briefly describe it? Aggregate functions are functions that take a collection of values as input and return a one value. SQL offers 5 built-in aggre

Explain composite attribute in sql, Explain Composite attribute in SQL ? ...

Explain Composite attribute in SQL ? Composite attribute: A composite attribute has many components, each of that is atomic or composite.

What are the concurrency issues, Concurrency issues Data integrity...

Concurrency issues Data integrity: Threads accessing same object need to be synchronized, such as: banking account. Deadlock: One or more threads in system are perman

A set of possible data values is called, A set of possible data values is c...

A set of possible data values is called? A set of possible data values is called as domain.

Define multivalued dependency, Define multivalued dependency. What do unde...

Define multivalued dependency. What do understand by trivial multivalued dependency? Ans: A multivalued dependency is a full constraint among two sets of attributes in a rela

#title., WHY SHOULD NULL IN A RELATION BE AVOID AS possible?

WHY SHOULD NULL IN A RELATION BE AVOID AS possible?

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