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List some instances of collection types?
a) sets
b) arrays
c) multisets
What it creates while a primary key is combined with a foreign key? It creates Parent-Child relation ship between the tables that connect them while a primary key is combined w
1. Determine that the Checkpoints are a part of Ans: Checkpoints are a part of Recovery measures
An important first step to the statistical analysis of data is to "get to know your data". The following tasks should contribute to this. (a) To the right of the dataset cons
What is Relational calculus? Relational calculus is a Non- Procedural language.
Consider a database application that deals with an Employee relation with information such as SIN, name, data of birth (DOB), and DID (the ID of the department at which the employe
Describe Participation Constraints? Participation Constraints - The participation constraint exacts whether the existence of an entity depends on its being related to another
Improved performance: As the data is located near the site of its demand, and given the inherent parallelism because of multiple copies, speed of database access may be good for di
Explain natural join? Natural Join - Similar as equi-join except in which the join attributes (having similar names) are not involved in the resulting relation. Only one sets
WHAT IS MEANT BY E-R MODEL
Why older data models are being replaced by new data modelling 100 words accepted#
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