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A table joined with itself is called ?
A table joined with itself is known as self join table.
Describe the primary key functions? Primary Key : The primary key is an attribute or a set of attributes in which uniquely identify a specific example of an entity. Every entit
If the insertion violates one or more constraints, then two alternatives are available: Default option: - Insertion can be discarded and the reason of refusal can also be ex
Performance of Various Concurrency Control Mechanisms
explain equi-join using illustration
What are the advantages of object ID? The main advantages of Object IDs are as below: i) IDs are not changing ii) IDs are completely independent of the changes in data v
what do you mean by primary key constraint?
Consider a systems development project with the following data Activity Duration (weeks) Precedence Relationship 1. Software design
Attributes and its types explain?
1. Will you advise that your organization uses open source software and why? 2. Why is it important for business managers to have a basic understanding of the software development
how many hourse have been spent on a certain project
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