diff --git a/README.md b/README.md
index ba57a3b..b34070c 100644
--- a/README.md
+++ b/README.md
@@ -511,3 +511,17 @@ Following are some of the most commonly used constraints available in SQL −
 - It is noticeable that the join is performed in the WHERE clause. 
 - Several operators can be used to join tables, such as =, <, >, <>, <=, >=, !=, BETWEEN, LIKE, and NOT; they can all be used to join tables. 
 - However, the most common operator is the equal to symbol.
+
+- There are different types of joins available in SQL −
+
+INNER JOIN − returns rows when there is a match in both tables.
+
+LEFT JOIN − returns all rows from the left table, even if there are no matches in the right table.
+
+RIGHT JOIN − returns all rows from the right table, even if there are no matches in the left table.
+
+FULL JOIN − returns rows when there is a match in one of the tables.
+
+SELF JOIN − is used to join a table to itself as if the table were two tables, temporarily renaming at least one table in the SQL statement.
+
+CARTESIAN JOIN − returns the Cartesian product of the sets of records from the two or more joined tables.