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Introduction to Database System

Introduction to Database System
The index consists of

pointers to the master list
All of these
both (a) and (b)
None of these
a list of keys

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Introduction to Database System
Which of the following is not characteristic of a relational database model?

treelike structure
records
tables
complex logical relationships

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Introduction to Database System
In SQL, which of the following is not a data Manipulation Language Commands?

UPDATE
CREATE
SELECT
DELETE

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Introduction to Database System
Which command is used to select distinct subject (SUB) from the table (BOOK)?

None of these
SELECT SUB FROM BOOK
SELECT DISTINCT SUB FROM BOOK
All of these
SELECT ALL FROM BOOK

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

(B,C) →
C →
A →
B →

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Introduction to Database System
In SQL, the _____ command is used to recompile a view

CREATE VIEW
DEFINE VIEW
None of these
COMPILE VIEW
ALTER VIEW

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