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Introduction to SQL

Introduction to SQL
Indexes may be created or dropped at any time.

False
True

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Introduction to SQL
The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total.

False
True

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Introduction to SQL
Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables?

None
Both of above
Data Manipulation Language(DML)
Data Definition Language(DDL)

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Introduction to SQL
SQL is a data sublanguage.

True
False

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Introduction to SQL
Which SQL keyword is used to retrieve only unique values?

DIFFERENT
UNIQUE
DISTINCTIVE
DISTINCT

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Introduction to SQL
The result of a SQL SELECT statement is a(n) ________ .

form
file
report
table

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