diff --git a/content/roadmaps/101-backend/content/108-more-about-databases/107-sharding-strategies.md b/content/roadmaps/101-backend/content/108-more-about-databases/107-sharding-strategies.md
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-# Sharding strategies
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+# Sharding strategies
+
+Sharding strategy is a technique to split a large dataset into smaller chunks (logical shard) in which we distribute these chunks in different machines/database nodes in order to distribute the traffic load. It’s a good mechanism to improve the scalability of an application. 
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.geeksforgeeks.org/database-sharding-a-system-design-concept/'>Database Sharding – System Design Interview Concept</BadgeLink>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://stackoverflow.blog/2022/03/14/how-sharding-a-database-can-make-it-faster/'>How sharding a database can make it faster</BadgeLink>