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Define the Third Normal Form:
The third normal form (3NF) is a normal form employed in database normalization. 3NF was initially defined by E.F. Codd in 1971. Codd's definition defines that a table is in 3NF if and just only if both of the following conditions hold: The relation R (table) is in second normal form (2NF)
Each non-prime attribute of R is non-transitively dependent ( that is directly dependent) on each key of R.
Illustrate the view of software architecture A model is a semantically closed abstraction of system composes of elements. It can be visualized using any of the following five v
Draw an ER diagram that represents the information described below. Show all entity sets, relationship sets, primary keys, and the mapping cardinality of the relationship sets.
Creating views with Read only option : In the view definition this option is used to make sure that no DML operations can be done on the view.
Define database management system? Database management system (DBMS) is a set of interrelated data and a combination of programs to access those data.
INTRODUCTION Databases and database systems have become an essential part of our daily life. We encounter many activities that involve some interaction with a database almost
What is the function of SQL Server Agent Windows service? - It's a Windows service that handles tasks scheduled within SQL Server environment. These tasks are also known as job
While sorting field groups we cannot use more than one key field False.
What is B-Tree? A B-tree eliminates the redundant storage of search-key values .It permits search key values to appear only once.
explain exhaustively the problems associated with ER diagrams. include illustrations in your answer
Hierarchical model is also known by? A hierarchical model is also known as a Tree structure.
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