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Why did SAP introduce the extended star schema? Explain why it is reported to be better than the traditional schema model?
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Question: (a) Discuss the difference between a composite key and a composite attribute. How would each be indicated in an E-R diagram? Support your answer with appropriate exam
WHAT IS DATABASE TECHNOLOGIES
Can your organization scan large format documents? Yes, large format scanning used for such entities as city plans and blueprints is available. We selected scanners with the ab
Differentiate between join and outer join? Outer joins return all rows from at least one of the tables or views mentioned within the FROM clause, as long as those rows get toge
WHAT IS DSS? WRITE ITS REQUIREMENTS.
File Organisation In Dbms Introduction Databases are used to store information. Usually, the principal operations we have to perform on database are those relating to:
what is Nested relational model? Explain with examples.
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