Using Select Countcolumnname We Can Count The Number Of Nonnull #127
Using SELECT COUNT(column_name), we can count the number of non-NULL items in the specified column. (column_name is not *)
This multiple choice question (MCQ) is related to the book/course gs gs115 Structured Query Language. It can also be found in gs gs115 SQL Numeric Functions - SQL Count Function - Quiz No.1.