Q. The SQL statement
SELECT ROUND(45.926, -1) FROM DUAL;

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Q. Which of the following must be enclosed in double quotes?

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Q. Which of the following command makes the updates performed by the transaction permanent in the database?

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Q. Which command undo all the updates performed by the SQL in the transaction?

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Q. Find all the cities whose humidity is 89

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Q. Find the temperature in increasing order of all cities

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Q. What is the meaning of LIKE '%0%0%'

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Q. Find the names of these cities with temperature and condition whose condition is neither sunny nor cloudy

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Q. Find the name of those cities with temperature and condition whose condition is either sunny or cloudy but temperature must be greater than 70F.

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Q. Find all the tuples having temperature greater than 'Paris'.

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Q. Find all the cities with temperature, condition and humidity whose humidity is in the range of 63 to 79

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Q. Find the names of the countries whose condition is sunny.

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Q. Find the name of all cities with their temperature, humidity and countries.

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Q. Find the name of cities with all entries whose temperature is in the range of 71 and 89

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Q. Which of the following query finds the names of the sailors who have reserved at least one boat?

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Q. Which of the following query finds colors of boats reserved by "Dustin"?

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Q. What does the following query find?

(SELECT DISTINCT r.sid
FROM boats b, reserves r
WHERE b.bid = r.bid
AND b.color = 'red')
MINUS
(SELECT DISTINCT r.sid
FROM boats b, reserves r
WHERE b.bid = r.bid
AND b.color = 'green')

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Q. Which of the following query finds the name of the sailors who have reserved at least two boats?

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Q. Which of the following query finds the total rating of the sailors who have reserved boat "103"?

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Q. The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs

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