# Informatics

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## Pages
- [About](https://emramadhan.com/about-2/)
- [Contact](https://emramadhan.com/contact-2/)
- [Podcasts](https://emramadhan.com/podcasts/)
- [Kontak](https://emramadhan.com/id/kontak/)
- [Tentang](https://emramadhan.com/id/tentang/)

## Posts
- [Projection Operation: Relational Algebra Theory vs\. The Reality of Queries](https://emramadhan.com/projection-operation-relational-algebra-vs-reality-of-queries/)
- [Inner Join: From Relational Algebra to SQL Production Queries](https://emramadhan.com/inner-join-from-relational-algebra-to-sql-production-queries/)
- [Outer Joins Uncovered: From Relational Algebra to SQL Query](https://emramadhan.com/outer-joins-uncovered-from-relational-algebra-to-sql-query/)
- [Demystifying Self\-Join Through Relational Algebra and SQL Queries](https://emramadhan.com/demystifying-self-join-through-relational-algebra-and-sql-queries/)
- [Cartesian Product: Why You Should Fear \(and Love\) CROSS JOINs](https://emramadhan.com/cartesian-product-why-you-should-fear-and-love-cross-joins/)

## MailPoet Page
- [MailPoet Page](https://emramadhan.com/?mailpoet_page=subscriptions)
- [MailPoet Page](https://emramadhan.com/?mailpoet_page=captcha)

## Categories
- [Aljabar Relasional](https://emramadhan.com/id/category/relasional/aljabar-relasional/)
- [Relational Algebra](https://emramadhan.com/category/relational/relational-algebra/)
- [ICT](https://emramadhan.com/category/ict/)
- [TIK](https://emramadhan.com/id/category/tik-id/)
- [Relasional](https://emramadhan.com/id/category/relasional/)

## Tags
- [Aljabar Relasional](https://emramadhan.com/id/tag/aljabar-relasional/)
- [Query](https://emramadhan.com/id/tag/query-id/)
- [Relational Algebra](https://emramadhan.com/tag/relational-algebra/)
- [Query](https://emramadhan.com/tag/query/)
- [SQL](https://emramadhan.com/id/tag/sql/)

## Optional
- [Sitemap index](https://emramadhan.com/sitemap_index.xml)