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What is Specialization?
Specialization: Specialization permits you to describe new types of information (new structural types or latest domains of information), although reusing as much of existing design and code as possible, and minimizing or eliminating the migration, costs of interchange, and maintenance.
Create Student DB and execute Insert query? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, course
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
Describe the shadow paging technique.
What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.
A file manipulation command that extracts some of the records from a file is called ? A file manipulation command that extracts some of the records from a file is called SELECT
What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
Define various ways in which SELECT statement can be used for record selection Technology? SELECT gives you control over a number of aspects for record retrieval: 1) Which
What will be create when a primary key if combined with a foreign key? A primary key if combined with a foreign key it creates Parent-Child relationship between the tables that
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
wh
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