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Introduction to SQL

Introduction to SQL
Which of the following SQL commands can be used to add data to a database table?

INSERT
APPEND
UPDATE
ADD

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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 begins with two 0's
Feature has more than two 0's
Feature ends with two 0's

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Introduction to SQL
The keyword LIKE can be used in a WHERE clause to refer to a range of values.

False
True

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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 > ANY (SELECT SALARY FROM EMPLOYEE);prints

9
5
0
10

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Introduction to SQL
Which operator performs pattern matching?

BETWEEN operator
None of these
LIKE operator
EXISTS operator

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