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Introduction to SQL

Introduction to SQL
Which of the following must be enclosed in double quotes?

All of these
Dates
Strings
Column Alias

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Introduction to SQL
A SELECT statement within another SELECT statement and enclosed in square brackets ([...]) is called a subquery.

False
True

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Introduction to SQL
Let the statementSELECT column1 FROM myTable;return 10 rows. The statementSELECT ALL column1 FROM myTable;will return

None of these
exactly 10 rows
less than 10 rows
more than 10 rows

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Introduction to SQL
SQL is a programming language.

False
True

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Introduction to SQL
The SQL statement that queries or reads data from a table is ________ .

None of these
QUERY
SELECT
READ

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

Materialized Views
Normalization
All of these
Data Integrity

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