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Introduction to Database System

Introduction to Database System
Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products.

False
True

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Introduction to Database System
If attributes A and B determine attribute C, then it is also true that:

B →
A →
C is a determinant.
(A,B) is a composite determinant.

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Introduction to Database System
The _____ command is used to allocates an extent for the table in SQL

REDEFINE TABLE
MODIFY ALLOCATES
ALTER TABLE
MODIFY TABLE
None of these

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Introduction to Database System
In which of the following is a single-entity instance of one type of related to a single-entity instance of another type?

Many-to-Many Relationship
One-to-One Relationship
Composite Relationship
One-to-Many Relationship

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Introduction to Database System
A _____ Contains fields of data about one entity.

Document
Fields
None of these
File
Record

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Introduction to Database System
The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types.

Table
None of these
Database
Flat file
Data structure

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