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What are the objectives of query processing?
Ans: The objectives of query processing is to transform a query written in a high level language into a accurate and efficient execution strategy expressed in a low level language and implement the strategy to retrieve the data.
Explain the difference between the three storage types - volatile, non volatile and stable. Ans: Volatile storage: if storage media loses data while power goes off,
What are the features of embedded SQL? Explain. Embedded SQL - SQL could be implemented within two ways. It can be used interactively or embedded in a host language or throu
When a function module is activated syntax checking is performed automatically. YEs, a function module is activated syntax checking.
education.
Ancestry database records information about family trees . Following information is recorded about each person: FIRSTNAME first name SURNAME surname MNAME maiden name (if
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
State as Location within a Program In this traditional approach, location of control inside a program totally defines the program state. Any finite state machine may be implem
Question 1 Draw a Data Flow Diagram for a University scenario Question 2 Discuss the following with suitable examples Relational Algebra Operators Database Pla
At its most essential level the DBMS architecture can be divide into two parts: the back end and the front end. The back end is responsible for managing the physical database an
Define Single Value and Multivalued attribute Single value attribute comprise a single atomic value for an entity and multivalued attribute may have much more than one value f
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