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Introduction to SQL

Introduction to SQL
A dynamic view is one whose contents materialize when referenced.

True
False

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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 > ALL (SELECT SALARY FROM EMPLOYEE);prints

10
0
5
9

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Introduction to SQL
The SQL statement: SELECT Name, COUNT(*) FROM NAME_TABLE; counts the number of name rows and displays this total in a table with a single row and a single column.

False
True

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Introduction to SQL
Which of the following is the correct order of keywords for SQL SELECT statements?

SELECT, FROM, WHERE
WHERE, FROM,SELECT
SELECT,WHERE,FROM
FROM, WHERE, SELECT

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Introduction to SQL
Which SQL statement is used to delete data FROM a database?

COLLAPSE
DELETE
ALTER
REMOVE

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Introduction to SQL
To establish a range of values, < and > can be used.

True
False

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