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Introduction to SQL

Introduction to SQL
The SQL keyword(s) ________ is used with wildcards.

NOT IN only
LIKE only
IN and NOT IN
IN only

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Introduction to SQL
Indexes may be created or dropped at any time.

False
True

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

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

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Introduction to SQL
Which SQL keyword is used to retrieve a maximum value?

UPPER
MOST
MAX
TOP

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Introduction to SQL
The SQL statementSELECT SUBSTR('abcdefghij', INSTR('123321234', '2', 3, 2), 2) FROM DUAL;prints

gh
ab
bc
23

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

Materialized Views
Normalization
Data Integrity
All of these

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