Introduction to SQL The SQL statement that queries or reads data from a table is ________ . SELECT None of these READ QUERY SELECT None of these READ QUERY ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The rows of the result relation produced by a SELECT statement can be sorted, but only by one column. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ............. joins two or more tables based on a specified column value not equaling a specified column value in another table. NON-EQUIJOIN OUTER JOIN NATURAL JOIN EQUIJOIN NON-EQUIJOIN OUTER JOIN NATURAL JOIN EQUIJOIN ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the SQL statements is correct? None of these SELECT Username, Password WHERE Username = 'user1' SELECT Username, Password FROM Users SELECT Username AND Password FROM Users None of these SELECT Username, Password WHERE Username = 'user1' SELECT Username, Password FROM Users SELECT Username AND Password FROM Users ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the name of all cities with their temperature, humidity and countries. SELECT weather.city, temperature, humidity FROM weather SELECT country FROM location WHERE weather.city = location.city; SELECT weather.city, temperature, humidity, country FROM weather, location; SELECT city, temperature, humidity, country FROM location; SELECT weather.city, temperature, humidity, country FROM weather, location WHERE weather.city = location.city; SELECT weather.city, temperature, humidity FROM weather SELECT country FROM location WHERE weather.city = location.city; SELECT weather.city, temperature, humidity, country FROM weather, location; SELECT city, temperature, humidity, country FROM location; SELECT weather.city, temperature, humidity, country FROM weather, location WHERE weather.city = location.city; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is a SQL aggregate function? LEN AVG JOIN LEFT LEN AVG JOIN LEFT ANSWER DOWNLOAD EXAMIANS APP