Data Types_en Explicit Data Type Conversion: The Basics and Applications for Error-Free SQL
In Oracle Database, the need to handle different data types arises frequently. When this happens, it is crucial to perfo...
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Data Types_en 26ai_en Oracle AI Database 26ai: Usage of BOOLEAN Data Type and New SQL Common Sense
Oracle AI Database 26ai, the latest Long Term Support (LTS) release, was announced in October 2025.In this version, the ...
26ai_en Oracle 26ai SQL Firewall Implementation and Verification Guide
Oracle AI Database 26ai / SQL Firewall / Injection Countermeasures / SecurityIn this article, I will explain the impleme...
English [Oracle SQL] Why is Deeply Nested Code Disliked? Learning “Appropriate Single-Row Function Nesting”
Single-row functions provided by Oracle Database are convenient tools that make data transformation and processing easy....
English 5 Essential Oracle SQL Aggregate Functions! How to Use SUM, AVG, and COUNT
Aggregate functions are essential for data analysis and report creation in Oracle Database. This article explains the us...
English [Oracle SQL] Replacing NULL with NVL/NVL2 Functions! Preventing Calculation Errors
In Oracle Database, the biggest cause of discrepancies in SQL aggregation and calculation results lies in the handling o...
26ai_en [Definitive Guide] The World’s Easiest Explanation of Oracle AI Vector Search & Hands-on
Hello everyone. Have you tried the currently trending "Oracle Database 26ai (and 23ai)" yet? Today, I will explain the n...
26ai_en Oracle GoldenGate 26ai is Here! Evolution and Outlook Based on 23ai
The latest version of data integration, "Oracle GoldenGate 26ai," was announced at Oracle AI World 2025. This version bo...
26ai_en [Oracle 26ai Free] The Story of Hitting the ORA-39712 Wall When Attempting a PDB Clone from 19c (Non-CDB)
Are you all trying out the latest Oracle Database 26ai Free? It is an engineer's nature to think, "I just want to bring ...
26ai_en [Verification] Moving from Oracle 19c to 26ai! Can DBLINK be used? Summary of Verification Procedures
Have you tried the latest Oracle Database 26ai (Free) yet? While attention is focused on AI features, as on-site enginee...