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Full Name
Valter Luis Zanchetti Filho
Full Name
ACE Associate
Top Level Details
Job Role
ORACLE APEX DEVELOPER
Company
SPHERUMM
Country
Brazil
Top Expertise
Oracle APEX
Focus Area
APEX
About Valter Luis
<p>Oracle APEX Certified Developer, passionate about the Oracle Database ecosystem. A dedicated Oracle APEX evangelist with experience in enterprise solutions, API integrations, performance tuning, and data modeling. On my blog, I share practical, real-world solutions I use daily — always focused on simplicity and efficiency.</p>
Expertises
Oracle APEX
Oracle PL/SQL
SQL
Autonomous Database
Oracle Cloud Infrastructure (OCI)
Links
Latest Contributions
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Re-enable specific automations after app update in Oracle APEX
Oct 20, 2025 - Blog post -
Oracle APEX
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Passing Values with Commas Between Pages Using the Link Builder in Oracle APEX
Oct 15, 2025 - Blog post -
Oracle APEX
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Undoing Mistakes in Oracle with Flashback Query
Oct 14, 2025 - Blog post -
Database 19c
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Something Between VARCHAR2 and CLOB: VARCHAR2 on Steroids [MAX_STRING_SIZE]
Oct 12, 2025 - Blog post -
Database 19c
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Tracking All DDL Changes: Logging Schema Modifications in Oracle Database
Aug 15, 2025 - Blog post -
Database 19c
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Oracle APEX: Transcribing Audio to Text Without REST, Directly in the Browser in only 5 Minutes
Aug 03, 2025 - Blog post -
Oracle APEX
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Kickstarting CI/CD for Oracle Database/APEX with SQLcl
Jul 28, 2025 - Blog post -
Oracle SQLcl
Database 19c
Oracle APEX
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Case and Accent-Insensitive String Comparisons in Oracle Using Collations
Jul 24, 2025 - Blog post -
Oracle APEX
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Adding a Client Certificate to an Oracle Wallet
Jul 16, 2025 - Blog post -
Database 19c
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Unlocking Free Generative AI in Oracle APEX with Groq – No Paid Plan Needed!
Jul 15, 2025 - Blog post -
Oracle APEX
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Equal Heights in Side-by-Side Regions in Oracle APEX: The Simple Solution with u-flex
Jul 15, 2025 - Blog post -
Oracle APEX
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How to Connect PLSQL Developer to Oracle Autonomous Database – Step-by-Step Guide
Jun 24, 2025 - Blog post -
Autonomous Database
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Creating and Configuring Wallets with OraPKI (Without Needing the Full Oracle Client)
Jun 24, 2025 - Blog post -
Database 19c
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