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Describe Graphical User Interface?
Graphical User Interfaces (GUIs) - A GUI typically displays a schema to the user in diagrammatic form. The user can then specify a query through manipulating the diagram. In several cases, GUIs utilizes both menus and forms. Most GUIs use a pointing device to pick certain elements of the displayed schema diagram.
Fundamentals of Database Management 1. Explain the concept of Foreign Key. How a foreign key differs from a Primary Key? Can the Foreign Key accept nulls? 2. With a necess
Explain outer join? Outer Join - If there are any values in one table which do not have corresponding value(s) in the other, in an equi-join which will not be chosen. Such ro
a brief definition
Desirable Properties Of Decomposition Decomposition is a process of dividing a relation into its projections that will not be disjoint. Please remind the Relational projection
why we fregment at all?
What is meant by normalization of data? It is a process of examining the given relation schemas based on their Functional Dependencies (FDs) and primary key to achieve the prop
example of bank
It is not possible to make an ABAP/4 program, which having only Subroutines. False. We can make ABAP/4 program, which having only Subroutines.
What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.
Why is need for the multiple access paths?
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