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Introduction to SQL

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

SQL
DBase
Microsoft Access
Oracle

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

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

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Introduction to SQL
SQL provides five built-in functions: COUNT, SUM, AVG, MAX, MIN.

True
False

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Introduction to SQL
Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables?

Data Definition Language(DDL)
Both of above
Data Manipulation Language(DML)
None

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Introduction to SQL
............. joins two or more tables based on a specified column value not equaling a specified column value in another table.

OUTER JOIN
EQUIJOIN
NATURAL JOIN
NON-EQUIJOIN

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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):

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

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