diff --git a/README.md b/README.md
index b293eab..299ec96 100644
--- a/README.md
+++ b/README.md
@@ -488,3 +488,7 @@ Following are some of the most commonly used constraints available in SQL −
 
 ## Boolean Expressions
 
+    SELECT column1, column2, columnN 
+    FROM table_name 
+    WHERE SINGLE VALUE MATCHING EXPRESSION;
+