0 votes 0 votes List two reasons why null values might be introduced into the database. Databases databases korth-edition6 relational-model sql descriptive + – ajaysoni1924 asked Mar 25, 2019 ajaysoni1924 926 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 2 votes 2 votes two reasons are 1) actual value may be unknown 2) or value does not exist Gurdeep Saini answered Mar 26, 2019 • selected Mar 26, 2019 by ajaysoni1924 Gurdeep Saini comment Share Follow See all 0 reply Please log in or register to add a comment.
