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Introduction to SQL

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

prints 50
is illegal
prints 045.926
prints garbage

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Introduction to SQL
The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows.

False
True

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Introduction to SQL
The result of a SQL SELECT statement is a ________ .

report
file
form
table

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Introduction to SQL
SQL query and modification commands make up a(n) ________ .

HTML
DML
XML
DDL

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Introduction to SQL
When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s):

Both IN and NOT IN.
LIKE only.
IN only.
NOT IN only.

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Introduction to SQL
Which of the following do you need to consider when you make a table in SQL?

Data types
Primary keys
Default values
All of these

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