--- title: "Luís Santos (@lmsantos) | Hashnode" description: "Oracle Solutions Architect sharing practical notes on APEX, PL/SQL, ORDS, OCI and developer growth. Read the latest articles by Luís Santos on Hashnode." url: "https://hashnode.com/@lmsantos" --- @lmsantos # Luís Santos @lmsantos · Lisbon, Portugal · Joined July 2026 Oracle Solutions Architect sharing practical notes on APEX, PL/SQL, ORDS, OCI and developer growth. ### [From Oracle Autonomous Database to SQL Server: Exploring DB\_LINK and Oracle Database Gateway](https://lslabsessions.hashnode.dev/from-oracle-autonomous-database-to-sql-server-exploring-db-link-and-oracle-database-gateway?utm_source=hashnode&utm_medium=feed) Testing queries, DML and stored procedure calls from Oracle Autonomous Database to SQL Server using database links and Oracle Database Gateway. 3 min read · [lslabsessions.hashnode.dev](https://lslabsessions.hashnode.dev/from-oracle-autonomous-database-to-sql-server-exploring-db-link-and-oracle-database-gateway?utm_source=hashnode&utm_medium=feed) [2d ago](https://hashnode.com/posts/from-oracle-autonomous-database-to-sql-server-exploring-db-link-and-oracle-database-gateway/6af278cc30c462a9cc81da36) ### [Oracle Apps on My Phone](https://lslabsessions.hashnode.dev/oracle-apps-on-my-phone?utm_source=hashnode&utm_medium=feed) How I use OCI Mobile, Oracle Mobile Authenticator, Oracle Events and APEX Newsletter to manage my database, sign in and stay informed. 3 min read · [lslabsessions.hashnode.dev](https://lslabsessions.hashnode.dev/oracle-apps-on-my-phone?utm_source=hashnode&utm_medium=feed) [Sep 23](https://hashnode.com/posts/oracle-apps-on-my-phone/6ab330ff103aa238ece5bdc6) ### [Upgrading Oracle APEX on Autonomous Database: What I Observed from 24.2.17 to 26.1.4](https://lslabsessions.hashnode.dev/oracle-apex-24-2-to-26-1-autonomous-database-upgrade?utm_source=hashnode&utm_medium=feed) A hands-on look at an Oracle APEX upgrade from 24.2.17 to 26.1.4 on Autonomous Database 3 min read · [lslabsessions.hashnode.dev](https://lslabsessions.hashnode.dev/oracle-apex-24-2-to-26-1-autonomous-database-upgrade?utm_source=hashnode&utm_medium=feed) [Sep 13](https://hashnode.com/posts/oracle-apex-24-2-to-26-1-autonomous-database-upgrade/6aa72f5db0518b9f335bbb78) ### [Why Is It Called UTL\_I18N? The Numeronyms Hidden in Tech](https://lslabsessions.hashnode.dev/why-is-it-called-utl-i18n-the-numeronyms-hidden-in-tech?utm_source=hashnode&utm_medium=feed) Not every developer article needs to be a deep dive. Sometimes, a quick fun fact is enough—especially when it connects Oracle Database, internationalization, accessibility, and Kubernetes. 5 min read · [lslabsessions.hashnode.dev](https://lslabsessions.hashnode.dev/why-is-it-called-utl-i18n-the-numeronyms-hidden-in-tech?utm_source=hashnode&utm_medium=feed) [Jul 26](https://hashnode.com/posts/why-is-it-called-utl-i18n-the-numeronyms-hidden-in-tech/6a6557a7fdc636b236cf6040) ### [Why Every Oracle Developer Needs a Lab](https://lslabsessions.hashnode.dev/why-every-oracle-developer-needs-a-lab?utm_source=hashnode&utm_medium=feed) Safe experimentation, continuous learning, certifications, conferences, and AI-assisted R&D. 3 min read · [lslabsessions.hashnode.dev](https://lslabsessions.hashnode.dev/why-every-oracle-developer-needs-a-lab?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/why-every-oracle-developer-needs-a-lab/6a4d04353861651f2e40e5fc) [Jul 7](https://hashnode.com/posts/why-every-oracle-developer-needs-a-lab/6a4d04353861651f2e40e5fc)