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Q. Define a weak entity set and its identifying relationship. List the necessary conditions for a meaningful identifying relationship set of a weak entity set. Entity is a t
Problem: A DBMS built for Online Transaction Processing (OLTP) is usually regarded as unsuitable for data warehousing. Each system is designed with a different set of requireme
Explain P command in the respect of QBE? P: It is the command in which is used to print (logically display) the value of the attribute in whose cell it is writ
difference between internal schema and external schema in DBMS
(a) Why did SAP introduce the extended star schema?
What is an ERD?
note on hashing technique
Submit the table creation statements (including constraints) for the Database Model. Submit them all in a single script file. Also submit a document explaining what test data yo
What is conceptual model ? A conceptual model is a independent of both hardware and software.
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
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