Introduction to SQL
The wildcard in a WHERE clause is useful when?

An exact match is not possible in a CREATE statement.
An exact match is not possible in a SELECT statement.
An exact match is necessary in a CREATE statement.
An exact match is necessary in a SELECT statement.

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Introduction to SQL
Which of the following query finds the names of the sailors who have reserved at least one boat?

SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid;
SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid;
SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid;
None of These

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

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

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

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