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Introduction to SQL

Introduction to SQL
SQL data definition commands make up a(n) ________ .

XML
DML
HTML
DDL

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Introduction to SQL
Let the statementSELECT column1 FROM myTable;return 10 rows. The statementSELECT ALL column1 FROM myTable;will return

None of these
more than 10 rows
exactly 10 rows
less than 10 rows

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Introduction to SQL
Which SQL keyword is used to sort the result-set?

SORT
SORT BY
ORDER
ORDER BY

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Introduction to SQL
Which of the following is illegal?

SELECT SYSDATE - (SYSDATE + 2) FROM DUAL;
None of these
SELECT SYSDATE - (SYSDATE - 2) FROM DUAL;
SELECT SYSDATE - SYSDATE FROM DUAL;

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Introduction to SQL
ORDER BY can be combined with the SELECT statements.

False
True

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

Default values
All of these
Data types
Primary keys

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