--- title: "Anshul Rai (@AnshulRai) | Hashnode" description: "Web Developer. Read the latest articles by Anshul Rai on Hashnode." url: "https://hashnode.com/@AnshulRai" --- @AnshulRai # Anshul Rai @AnshulRai · India · Joined December 2022 Web Developer [Website](https://linktr.ee/anshulrai) ### [LLD for eShoppingZone](https://anshulrai.hashnode.dev/lld-for-eshoppingzone?utm_source=hashnode&utm_medium=feed) This design ensures modularity, scalability, and efficiency while avoiding unnecessary services. 1. Microservices Overview Service NameDescription API GatewayCentral entry point for all requests, handles routing, authentication, and rate limit... 3 min read · [anshulrai.hashnode.dev](https://anshulrai.hashnode.dev/lld-for-eshoppingzone?utm_source=hashnode&utm_medium=feed) [Apr 6, 2025](https://hashnode.com/posts/lld-for-eshoppingzone/67f20f0876bca17f09b42722) ### [What to do if the query calculation is moved out of the database but is too slow using Java?](https://anshulrai.hashnode.dev/what-to-do-if-the-query-calculation-is-moved-out-of-the-database-but-is-too-slow-using-java?utm_source=hashnode&utm_medium=feed) Discover effective strategies to turbocharge Java query performance when calculations are shifted outside the database. Unlock faster results and optimize 7 min read · [anshulrai.hashnode.dev](https://anshulrai.hashnode.dev/what-to-do-if-the-query-calculation-is-moved-out-of-the-database-but-is-too-slow-using-java?utm_source=hashnode&utm_medium=feed) [3](https://hashnode.com/posts/what-to-do-if-the-query-calculation-is-moved-out-of-the-database-but-is-too-slow-using-java/657998ff46963292d553648e) [Dec 13, 2023](https://hashnode.com/posts/what-to-do-if-the-query-calculation-is-moved-out-of-the-database-but-is-too-slow-using-java/657998ff46963292d553648e) ### [esProc SPL, a data analysis engine reducing application cost by N times](https://anshulrai.hashnode.dev/esproc-spl-a-data-analysis-engine-reducing-application-cost-by-n-times?utm_source=hashnode&utm_medium=feed) esProc SPL, A data analysis engine that reduces application cost by N times 53 min read · [anshulrai.hashnode.dev](https://anshulrai.hashnode.dev/esproc-spl-a-data-analysis-engine-reducing-application-cost-by-n-times?utm_source=hashnode&utm_medium=feed) [3](https://hashnode.com/posts/esproc-spl-a-data-analysis-engine-reducing-application-cost-by-n-times/65477c279e7263660ed5fe03) [Nov 5, 2023](https://hashnode.com/posts/esproc-spl-a-data-analysis-engine-reducing-application-cost-by-n-times/65477c279e7263660ed5fe03) ### [Technologies for the development of data business logic in Java: JOOQ and SPL](https://anshulrai.hashnode.dev/technologies-for-the-development-of-data-business-logic-in-java-jooq-and-spl?utm_source=hashnode&utm_medium=feed) Introduction Many open-source technologies can implement business logic focused on databases in Java. Among them, JOOQ is more powerful than Hibernate in computing power, and more powerful than MyBatis in migratability, thereby getting increasing att... 23 min read · [anshulrai.hashnode.dev](https://anshulrai.hashnode.dev/technologies-for-the-development-of-data-business-logic-in-java-jooq-and-spl?utm_source=hashnode&utm_medium=feed) [3](https://hashnode.com/posts/technologies-for-the-development-of-data-business-logic-in-java-jooq-and-spl/64036bd2ba7d67b5d32e3f8c) [Mar 4, 2023](https://hashnode.com/posts/technologies-for-the-development-of-data-business-logic-in-java-jooq-and-spl/64036bd2ba7d67b5d32e3f8c) ### [Dev Retro 2022: How I started my journey as a coder? and now how it's going](https://anshulrai.hashnode.dev/dev-retro-2022-how-i-started-my-journey-as-a-coder-and-now-how-its-going?utm_source=hashnode&utm_medium=feed) INTRODUCTION Hello👋 dear folks😎, I'm Anshul enrolled in B.tech CSE and presently learning web development, DSA, and DevOps. I ❤️ to try new things I'm here to discuss all the problems you are facing in coding by explaining them by comparing my poin... 5 min read · [anshulrai.hashnode.dev](https://anshulrai.hashnode.dev/dev-retro-2022-how-i-started-my-journey-as-a-coder-and-now-how-its-going?utm_source=hashnode&utm_medium=feed) [805](https://hashnode.com/posts/dev-retro-2022-how-i-started-my-journey-as-a-coder-and-now-how-its-going/63961203f7df0d160e619fb5) [Dec 11, 2022](https://hashnode.com/posts/dev-retro-2022-how-i-started-my-journey-as-a-coder-and-now-how-its-going/63961203f7df0d160e619fb5)