Learn how to use the SQL CASE statement to perform conditional logic in SQL. This article covers the simple CASE and the searched CASE statements, null values, custom logic, and best practices.

Learn what the CASE statement in SQL is, how to use it for data analysis and ... The ELSE clause should be used to handle cases that do not match any condition, to avoid null values or unexpected ...

In this case, we will first drop ... Is Not Null) Drop Table temp. The output will be as follows. Dropping the table. ... We can write a statement as below in SQL Server 2016 to remove a stored table ...

The NOT NULL constraint enforces a column to NOT accept NULL values. This enforces a field to always contain a value, which means that you cannot insert a new record, or update a record without adding ...