add example link

README.md

@@ -569,5 +569,6 @@ All contributors are encouraged to read the [Ballerina code of conduct](https://
 ## Useful links
 
 * For more information go to the [`MSSQL` library](https://lib.ballerina.io/ballerinax/mssql/latest).
+* For example demonstrations of the usage, go to [Ballerina By Examples](https://ballerina.io/learn/by-example/#database-access).
 * Chat live with us via our [Discord server](https://discord.gg/ballerinalang).
 * Post all technical questions on Stack Overflow with the [#ballerina](https://stackoverflow.com/questions/tagged/ballerina) tag.