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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.

True
False

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Introduction to Database System
Data security threats include

fraudulent manipulation of data
all of the listed here
privacy invasion
hardware failure

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Introduction to Database System
In SQL, which command is used to add new rows to a table?

APPEND
ALTER TABLE
ADD ROW
INSERT

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Introduction to Database System
In an Enterprise-class database system, business users interact directly with database applications that interact with the DBMS, which directly accesses the database data.

True
False

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Introduction to Database System
The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in

a tree file
None of these
a hashed file
a sequential file
an indexed file

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Introduction to Database System
In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction?

PACK
ZIP
SAVE
COMMIT

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