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What are the DBMS languages? Explain. Ans: a) Data Definition Languages (DDL): It is employed to specify database schema for example CREATE DROP statements etc. b) Dat
Explain data abstraction? Data abstraction Data abstraction is a methodology in which enables us to isolate how a compound data object is utilized from the details of how it is
In the architecture of a database system which external level used? In the architecture of a database system view external level used.
Define weak and strong entity sets? Weak entity set: entity set that do not have key attribute of their own are known as weak entity sets. Strong entity set: Entity set that
non numeric literals
Define physical image of a global relation at a site
normal forms
sir, could anybody help me in getting complete information about the mentioned topic
How do I use strap on?#
What is a database? Database - Basically in simple terms A database is a collection of inter related data and/or information stored so which it is available to several users
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