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Introduction to SQL

Introduction to SQL
ON UPDATE CASCADE ensures which of the following?

All of these
Data Integrity
Normalization
Materialized Views

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Introduction to SQL
In SQL, which command(s) is(are) used to change a table's storage characteristics?

ALTER TABLE
MODIFY TABLE
All of these
CHANGE TABLE

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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.

NON-EQUIJOIN
NATURAL JOIN
OUTER JOIN
EQUIJOIN

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Introduction to SQL
What is the meaning of LIKE '%0%0%'

Feature begins with two 0's
Feature ends with two 0's
Feature has two 0's in it, at any position
Feature has more than two 0's

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Introduction to SQL
The benefits of a standard relational language include which of the following?

Increased dependence on a single vendor
Reduced training costs
Applications are not needed
All of these

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Introduction to SQL
Which of the following is a SQL aggregate function?

LEFT
JOIN
AVG
LEN

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