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Introduction to SQL

Introduction to SQL
DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement.

True
False

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Introduction to SQL
What is the meaning of LIKE '%0%0%'

Feature ends with two 0's
Feature has more than two 0's
Feature begins with two 0's
Feature has two 0's in it, at any position

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Introduction to SQL
SQL query and modification commands make up a(n) ________ .

XML
HTML
DML
DDL

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Introduction to SQL
The rows of the result relation produced by a SELECT statement can be sorted, but only by one column.

True
False

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

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

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

Data Integrity
All of these
Normalization
Materialized Views

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