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Introduction to SQL

Introduction to SQL
The condition in a WHERE clause can refer to only one value.

True
False

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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
MODIFY TABLE
CHANGE TABLE
ALTER TABLE

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Introduction to SQL
How to select all data from student table starting the name from letter 'r'?

SELECT * FROM student WHERE name LIKE '_r%';
SELECT * FROM student WHERE name LIKE 'r%';
SELECT * FROM student WHERE name LIKE '%r';
SELECT * FROM student WHERE name LIKE '%r%';

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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?

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

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Introduction to SQL
Which of the following is valid SQL for an Index?

REMOVE INDEX ID;
CHANGE INDEX ID;
CREATE INDEX ID;
ADD INDEX ID;

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Introduction to SQL
Indexes may be created or dropped at any time.

True
False

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