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In an organisation various projects are undertaken. Each projects can employ one or more employees. Every employee can work on one or more projects. Each project is undertaken on
Benefits and limitations
What are the problems if one were not to normalize? When do these problems surface? Ans: Database normalization, sometimes considered to as canonical synthesis, is
what is Nested relational model? Explain with examples.
Complete replication: It implies maintaining of a whole copy of the database at every site. Thus, the reliability & availability and performance for query response are maximized.
Describe the definition of a transaction in SQL Ans: The SQL transaction starts implicitly. Transactions are finished by either Commit work that commits the transaction and st
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
Illustrate how you can use QBE to perform logical AND and OR operation
List some instances of collection types? a) sets b) arrays c) multisets
What is storage manager? A storage manager is a program module that gives the interface among the low level data keeps in a database and the application programs and queries su
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