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Now let’s insert some dummy data into the Cars table. The Cars table has seven columns: id, name, company, power, color, model, and condition. The script above has created a dummy database called ShowRoom with one Table in it called Cars. Creating Dummy DataĮxecute the following script to create the dummy data: CREATE Database ShowRoom But before we do that, we’ll create some dummy data to work with. In this article, we will take a look at a number of different examples of the CASE statement. The CASE statement ends with an END keyword. The ELSE statement is optional and executes when none of the WHEN conditions return true. The THEN statement specifies the action if the WHEN condition returns TRUE. The WHEN statement specifies the condition to be tested. The SQL Server CASE Statement consists of at least one pair of WHEN and THEN statements. The CASE statement is used to implement the logic where you want to set the value of one column depending upon the values in other columns. In this article, we would explore the SQL CASE statement and its various use cases. We mostly use a case expression in SQL stored procedures or as a formula for a particular column that optimizes the SQL statements. It tests a list of conditions and returns one of the multiple possible results. The CASE statement in SQL returns a value for the condition specified.