Introduction to SQL Which of the following group functions ignore NULL values? COUNT MAX All of these SUM COUNT MAX All of these SUM ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword BETWEEN is used: None of these as a wildcard. to limit the columns displayed. for ranges. None of these as a wildcard. to limit the columns displayed. for ranges. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What is the meaning of LIKE '%0%0%' Feature has two 0's in it, at any position Feature begins with two 0's Feature has more than two 0's Feature ends with two 0's Feature has two 0's in it, at any position Feature begins with two 0's Feature has more than two 0's Feature ends with two 0's ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL NULL is the same as blank for character the same as 0 for integer and blank for character the same as 0 for integer not a value the same as blank for character the same as 0 for integer and blank for character the same as 0 for integer not a value ANSWER DOWNLOAD EXAMIANS APP