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Define blocks?
The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
(a) What is a Sub-Query? (b) What is the difference between a scalar sub-query and a tabular sub-query? (c) Write an equivalent SQL statement to get the Name of Product wh
Increased parallelism : Since the replicated date has several copies a query can be distributed or can be answered from the smallest loaded site. Also, with more replicas you have
Birla Institute of Technology & Science, Pilani Work-Integrated Learning Programmes Division Second Semester 2012-2013 EC-1 Assignment 2 (7.5% of the grade) Course No. : SS ZG
What is a recursive relationship? Give an example not used in the text. A recursive relationship is a relationship among an entity and itself. For example, given the entity PER
Define Radix conversion method One clever way to transform binary numbers to BCD notation (binary-coded decimal) is the "double dabble algorithm". It can be adapted to transfo
Database Recovery And Security Introduction In this part we will introduce two main issues relating to database management systems. A computer system suffers from dissi
diagrams and meaning
When It is better to use files than a DBMS? It is better to use files than a DBMS when Multiple users wish to access the data.
The Maximum no of key fields that can be used in a header is?? 50
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