To use the CASE statement in SQL for data analysis ... The ELSE clause should be used to handle cases that do not match any condition, to avoid null values or unexpected results.

SQL CASE and IF statements are ways of ... If there is no ELSE clause, it returns NULL. You can use a CASE statement in various places in your query, such as in the SELECT, WHERE, ORDER BY ...

Column 'FullName' cannot be null 0.047 sec -- SQL Statement by supplying the FullName value. INSERT INTO Student (StudentId, FullName, RegdNo, Branch, Mobile) VALUES (1, 'Anurag', '1001', 'CSC', ...