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What is RDBMS? Relational Data Base Management Systems (RDBMS) are database management systems that maintain data records and indices in tables. Relationships may be formed and
Question: (a) What is ODBC and what is its function? (b) What is Web application server, and how does it work from a database perspective? (c) What does e-commerce mean
The Maximum no of key fields that can be used in a header is?? 50
Example : Search the name, department number and salary of employees drawing minimum salary in that department. SELECT ENAME, SAL, DEPTNO FROM EMP WHERE SAL IN (SELECT MI
Describe the storage structure of indexed sequential files and their access method. Ans: Storage structure of Indexed Sequential files and their access: To achieve fast rand
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
Define the Two Phase Locking Protocol This is a protocol that is used to make sure serializability of transactions. This protocol needs that every transaction issue lock and u
The following relational database schema represents part of a simplified database used by a library: tblBook (BookID, Title, PublisherID, Category,Price) tblPublisher (Publishe
Probelm: a) In the context of OODBMS, define the following terms with appropriate examples. (i) Object class. (ii) Abstract class. (iii) Aggregation. (iv)
Explain view in RDBMS? View - A view is a relation (virtual rather than base) and could be used in query expressions, which is, queries can be written by using the view as a re
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