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Introduction to SQL

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

All of these
Materialized Views
Normalization
Data Integrity

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

XML
DDL
DML
HTML

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Introduction to SQL
To sort the results of a query use:

SORT BY.
None of these
GROUP BY.
ORDER BY.

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Introduction to SQL
Which of the following SQL query is correct for selecting the name of staffs from 'staffinfo' table where salary is 10,000 or 25,000?

None of these
SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000;
Both A and B
SELECT name FROM staffinfo WHERE salary IN (10000, 25000);

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

All of these
ALTER TABLE
CHANGE TABLE
MODIFY TABLE

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Introduction to SQL
Scalar aggregate are multiple values returned from an SQL query that includes an aggregate function.

True
False

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