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Introduction to SQL

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

MODIFY TABLE
CHANGE TABLE
All of these
ALTER TABLE

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

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

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Introduction to SQL
Which of the SQL statements is correct?

SELECT Username AND Password FROM Users
SELECT Username, Password FROM Users
None of these
SELECT Username, Password WHERE Username = 'user1'

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Introduction to SQL
Which SQL keyword is used to retrieve a maximum value?

TOP
UPPER
MAX
MOST

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

5
9
0
10

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