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Introduction to SQL

Introduction to SQL
Which of the following join is also called as an 'inner-join'?

Equijoin
Self-Join
Non-Equijoin
None of these

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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
Which of the following is the correct order of keywords for SQL SELECT statements?

SELECT, FROM, WHERE
WHERE, FROM,SELECT
FROM, WHERE, SELECT
SELECT,WHERE,FROM

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

HTML
DDL
XML
DML

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Introduction to SQL
The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows.

False
True

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Introduction to SQL
The FROM SQL clause is used to...

specify what table we are selecting or deleting data FROM
specify search condition
None of these
specify range for search condition

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