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What are the two approaches to store relations in distributed database?
a) Replication
b) Fragmentation
Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
Question 1 Define OLTP? Explain the Differences between OLTP and Data Warehouse Question 2 What is Architecture? Explain various components involved in it Question
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
Multi-Key File Organisation In this part, we will introduce two basic file Organisation schemes that permit records to be accessed by more than one key field, therefore, allowi
What are composite objects? Objects that have other objects are known as complex objects or composite objects.
Hardware failure : Hardware failures are the failures when some disk or hardware chip fails. This may result in loss of data. One such trouble can be that a disk gets damaged and
Define canonical cover? A canonical cover Fc for F is a set of dependencies like F logically implies all dependencies in FC and Fc logically shows all dependencies in F.
What is the archtetype/instance pattern? The archetype/instance pattern happens when one entity tracks occurrences of another entity. A common example is the relationship among
what is difference between circular inked lust and grunded linked list
What is Normalization? Database normalization is a data design and organization method applied to data structures based on rules that help building relational databases. In rel
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