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Introduction to SQL

Introduction to SQL
Which SQL statement is used to delete data FROM a database?

REMOVE
COLLAPSE
DELETE
ALTER

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

ORDER
SORT
SORT BY
ORDER BY

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Introduction to SQL
Which one of the following sorts rows in SQL?

ORDER BY
SORT BY
ALIGN BY
GROUP BY

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

HTML
DML
DDL
XML

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

True
False

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