Introduction to SQL The keyword BETWEEN can be used in a WHERE clause to refer to a range of values. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL NULL is the same as 0 for integer the same as 0 for integer and blank for character the same as blank for character not a value the same as 0 for integer the same as 0 for integer and blank for character the same as blank for character not a value ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands can be used to add data to a database table? INSERT ADD UPDATE APPEND INSERT ADD UPDATE APPEND ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? SUM COUNT All of these MAX SUM COUNT All of these MAX ANSWER DOWNLOAD EXAMIANS APP
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? None of these SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000; SELECT name FROM staffinfo WHERE salary IN (10000, 25000); Both A and B None of these SELECT name FROM staffinfo WHERE salary BETWEEN 10000 AND 25000; SELECT name FROM staffinfo WHERE salary IN (10000, 25000); Both A and B ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SUM, AVG, MIN, and MAX can only be used with numeric columns. False True False True ANSWER DOWNLOAD EXAMIANS APP