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Introduction to SQL

Introduction to SQL
ON UPDATE CASCADE ensures which of the following?

All of these
Materialized Views
Normalization
Data Integrity

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Introduction to SQL
The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows.

False
True

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Introduction to SQL
Which of the following are the five built-in functions provided by SQL?

SUM, AVG, MIN, MAX, MULT
COUNT, SUM, AVG, MAX, MIN
SUM, AVG, MULT, DIV, MIN
SUM, AVG, MIN, MAX, NAME

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

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

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Introduction to SQL
ORDER BY can be combined with the SELECT statements.

False
True

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Introduction to SQL
There is an equivalent join expression that can be substituted for all subquery expressions.

False
True

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