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Introduction to SQL

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

ALIGN BY
GROUP BY
SORT BY
ORDER BY

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Introduction to SQL
Which of the following are the five built-in functions provided by SQL?

SUM, AVG, MULT, DIV, MIN
COUNT, SUM, AVG, MAX, MIN
SUM, AVG, MIN, MAX, NAME
SUM, AVG, MIN, MAX, MULT

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Introduction to SQL
What operator tests column for the absence of data?

EXISTS operator
IS NULL operator
None of these
NOT operator

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Introduction to SQL
________ was adopted as a national standard by ANSI in 1992.

SQL
Oracle
Microsoft Access
DBase

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Introduction to SQL
The SQL WHERE clause:

Both A and B are correct.
limits the row data are returned.
Neither A nor B are correct.
limits the column data that are returned.

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Introduction to SQL
Which of the following is illegal?

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

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