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Why do you go for sorting your query results?
SQL SELECT command to fetch data from MySQL table. Whenever you select rows, the MySQL server is free to return them in any order unless you instruct it or else by stating how to sort the result. However you sort a result set by adding
An ORDER BY section that names column or columns you want to sort by.
Define the Attribute Inheritance The attributes of a higher level entity set are inherited through a lower level entity set made by specialization-generalization hierarchy. Nam
Explain the ISA relationship Answer: ISA relationship - ISA notation is employed in generalization/ specialization to depict relationship among lower and higer level entity s
Attributes attached to an entity can be of various types. Simple The attribute that cannot be further separated into smaller parts and shows the basic meaning is known as a
What Command You Use What Day of the week were you born
1 NF Normal Form The domain of attribute must add only atomic (simple, indivisible) values First normal form (Minimal Form or 1NF) is a normal form need in database normalizat
Optimistic Concurrency Control Is locking the only way to stop concurrency related problems? There exist some other ways too. One such way is known as an Optimistic Concurrency
A set of possible data values is called? A set of possible data values is called as domain.
What is Relational Algebra? Relational algebra is a Procedural query Language?
List some security violations (or) name any forms of malicious access. A) Unauthorized reading of data B) Unauthorized modification of data C) Unauthorized destruction of
Can a filed occur in several field groups. Yes. But it leads to redundant data redundancy.
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