Introduction to SQL Which of the following SQL commands can be used to add data to a database table? APPEND UPDATE ADD INSERT APPEND UPDATE ADD INSERT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following are the five built-in functions provided by SQL? SUM, AVG, MIN, MAX, NAME COUNT, SUM, AVG, MAX, MIN SUM, AVG, MIN, MAX, MULT SUM, AVG, MULT, DIV, MIN SUM, AVG, MIN, MAX, NAME COUNT, SUM, AVG, MAX, MIN SUM, AVG, MIN, MAX, MULT SUM, AVG, MULT, DIV, MIN ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? None of these EXISTS operator NOT operator IS NULL operator None of these EXISTS operator NOT operator IS NULL operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL If a query involves NOT, AND, OR with no parenthesis AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. The order of occurrence determines the order of evaluation. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. The order of occurrence determines the order of evaluation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the names of the countries whose condition is sunny. SELECT country FROM location WHERE city NOT IN (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE city UNION (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE condition = 'sunny'; SELECT country FROM location WHERE city IN (SELECT city FROM weather WHERE condition = sunny'); SELECT country FROM location WHERE city NOT IN (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE city UNION (SELECT city FROM weather WHERE condition = 'sunny'); SELECT country FROM location WHERE condition = 'sunny'; SELECT country FROM location WHERE city IN (SELECT city FROM weather WHERE condition = sunny'); ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The HAVING clause does which of the following? Acts EXACTLY like a WHERE clause. Acts like a WHERE clause but is used for columns rather than groups. Acts like a WHERE clause but is used for rows rather than columns. Acts like a WHERE clause but is used for groups rather than rows. Acts EXACTLY like a WHERE clause. Acts like a WHERE clause but is used for columns rather than groups. Acts like a WHERE clause but is used for rows rather than columns. Acts like a WHERE clause but is used for groups rather than rows. ANSWER DOWNLOAD EXAMIANS APP
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