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Introduction to SQL

Introduction to SQL
The SQL statementSELECT ROUND(45.926, -1) FROM DUAL;

is illegal
prints garbage
prints 045.926
prints 50

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Introduction to SQL
Which of the SQL statements is correct?

SELECT Username, Password WHERE Username = 'user1'
SELECT Username AND Password FROM Users
None of these
SELECT Username, Password FROM Users

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

True
False

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Introduction to SQL
The format SELECT-FROM-WHERE is the fundamental framework of SQL SELECT statements.

True
False

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Introduction to SQL
The SQL -92 wildcards are ____ and ____ .

asterisk (*); percent sign (%)
percent sign (%); underscore (_)
underscore(_); question mark (?)
question mark (?); asterisk (*)

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

True
False

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