From 816a0f75ee26ac83038a0d2c2c064c176ac9a355 Mon Sep 17 00:00:00 2001
From: GowthamRaj K <43011442+gowthamrajk@users.noreply.github.com>
Date: Thu, 29 Jul 2021 08:19:46 +0530
Subject: [PATCH] Update README.md

---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index 3dab73b..f7cb203 100644
--- a/README.md
+++ b/README.md
@@ -674,3 +674,7 @@ There are different types of joins available in SQL −
       
 # SQL - Indexes ✌
 
+- Indexes are special lookup tables that the database search engine can use to speed up data retrieval. 
+- Simply put, an index is a pointer to data in a table. 
+- An index in a database is very similar to an index in the back of a book.
+