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Introduction to SQL

Introduction to SQL
In SQL, which of the following is not a data definition language commands?

UPDATE
GRANT
RENAME
REVOKE

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Introduction to SQL
Table employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM employee WHERE SALARY > ALL (SELECT SALARY FROM EMPLOYEE);prints

5
9
0
10

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

ALTER TABLE
MODIFY TABLE
CHANGE TABLE
None of these

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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
The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total.

True
False

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Introduction to SQL
Which of the following must be enclosed in double quotes?

Strings
Dates
All of these
Column Alias

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