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Introduction to SQL

Introduction to SQL
The condition in a WHERE clause can refer to only one value.

False
True

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Introduction to SQL
Find all the cities whose humidity is 89

SELECT city WHERE humidity = 89;
SELECT city FROM weather WHERE humidity = 89;
SELECT humidity = 89 FROM weather;
SELECT city FROM weather;

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Introduction to SQL
Which of the following join is also called as an 'inner-join'?

Self-Join
Equijoin
None of these
Non-Equijoin

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Introduction to SQL
SQL is a data sublanguage.

False
True

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Introduction to SQL
To sort the results of a query use:

ORDER BY.
SORT BY.
GROUP BY.
None of these

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

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

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