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Introduction to SQL

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

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

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Introduction to SQL
Find all the cities whose humidity is 89

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

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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 SQL keyword is used to sort the result-set?

ORDER BY
SORT
ORDER
SORT BY

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Introduction to SQL
Most companies keep at least two versions of any database they are using.

False
True

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Introduction to SQL
Table Employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM Employee WHERE SALARY > ANY (SELECT SALARY FROM EMPLOYEE);prints

0
5
10
9

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