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

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Introduction to SQL
Find the SQL statement below that is equal to the following: SELECT NAME FROM CUSTOMER WHERE STATE = 'VA';

SELECT NAME FROM CUSTOMER WHERE STATE IN ('VA');
SELECT NAME IN CUSTOMER WHERE STATE IN ('VA');
SELECT NAME IN CUSTOMER WHERE STATE = 'V';
SELECT NAME IN CUSTOMER WHERE STATE = 'VA';

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Introduction to SQL
A view is which of the following?

A base table that cannot be accessed via SQL commands
A base table that can be accessed via SQL commands
A virtual table that cannot be accessed via SQL commands
A virtual table that can be accessed via SQL commands

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Introduction to SQL
Find the temperature in increasing order of all cities

SELECT city, temperature FROM weather;
SELECT city FROM weather ORDER BY temperature;
SELECT city, temperature FROM weather ORDER BY temperature;
SELECT city, temperature FROM weather ORDER BY city;

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