Update README.md

README.md

@@ -576,9 +576,14 @@ There are different types of joins available in SQL −
     table2: Second table
     matching_column: Column common to both the tables.
     
-    
 ## 5) SELF JOIN
 
+    SELECT a.coulmn1 , b.column2
+    FROM table_name a, table_name b
+    WHERE some_condition;
+
+    table_name: Name of the table.
+    some_condition: Condition for selecting the rows.
 
 ## 6) CARTESIAN JOIN