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Define data conversion? Helpful to load data into temporary staging tables. Then can write SQL code to do much of data processing. SQL code is simpler and faster to write than
For every n-ary relationship type R where n>2, we make a new table S to represent R. We contain as foreign key attributes in s the primary keys of the relations that show the parti
The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.
What is an E-R model? Draw an E-R Diagram for the company database with following Descriptions? The company is organized within departments. Each department has a unique name a
What are the Objectives of Advance object design After this unit, you shall be able to: combine three OOAD models to obtain operations on the classes; develop algo
Explain the function of Object model Object model describes the classes of objects in system, including their attributes and operations which they support. The analysis object
Query Processor The query language processor is responsible for taking query language statements or shifting them from the English-like syntax of the query language to a form
what are the reasons having variable length records
prototype of a distributed information system for a national car part retail outlet chain.
Question 1 What are the advantages of DBMS approach in managing data? Question 2 What are the services provided by a database system Question 3 List and briefly describe
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