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Introduction to Database System

Introduction to Database System
A file that is organized in uniform format is formally referred to as a _____ or a database file.

Record
None of these
Document
Structured data file
Database

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Introduction to Database System
Given the functional dependency R → S , R is called the determinant.

True
False

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Introduction to Database System
A relational database management (RDBM) package manages data in more than one file at once. How does it organize these file? As

relations
None of these
both (a) and (b)
tables
tuple

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Introduction to Database System
A top-to-bottom relationship among the items in a database is established by a

Hierarchical schema
Network schema
Relational schema
All of the listed here

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

True
False

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Introduction to Database System
A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance.

True
False

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