rspec/rules/S131/tsql/rule.adoc

The requirement for a final ``++ELSE++`` clause is defensive programming. The clause should either take appropriate action, or contain a suitable comment as to why no action is taken.

== Noncompliant Code Example

----
SELECT
  CASE category
    WHEN 'A' THEN 21
    WHEN 'B' THEN 33
END shipping_cost
FROM product
----

== Compliant Solution

----
SELECT
  CASE category
    WHEN 'A' THEN 21
    WHEN 'B' THEN 33
    ELSE 42
END shipping_cost
FROM product
----

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