Date and Time Data_en What is Implicit Data Type Conversion in Oracle? A Complete Guide to Avoiding Pitfalls!
When handling SQL in an Oracle database, Implicit Data Type Conversion is a crucial concept. While convenient, it can ca...
Date and Time Data_en 26ai_en [Oracle 26ai] Complete Guide to Introducing the Next-Generation Standard “CO (Customer Orders)” Sample Schema
Hello, Oracle Engineers! Are you enjoying your 26ai life? We have entered the Oracle Database 26ai (23ai) era, and the w...
26ai_en How to Use Oracle FreeSQL: How to Execute SQL Without Building an Environment [Supports 19c/23ai/26ai]
Do you want to start learning or verifying Oracle Database, but face issues such as "frustrated by the complex environme...
26ai_en Prepare for Oracle 26ai! CDB/PDB Basic Operations Summary: Complete Guide to Startup, Connection, and Management Commands
The architecture of Oracle Database is undergoing its most significant transformation in the last 20 years. Starting wit...
26ai_en What are the Differences Between Oracle Database 23ai and 26ai? Explaining How Patching Transforms it into “26ai”
Among engineers and IT architects following the latest information on Oracle Database, the two version notations—"23ai" ...
26ai_en Oracle 19c vs 26ai Initialization Parameter Comparison | New Features and Deprecated List
In the evolution from Oracle Database 19c to the latest Oracle Database 26ai (FREE), initialization parameters have chan...
Data Types_en A Guide to Oracle’s Date/Time Functions
This article provides a detailed explanation of Oracle Database's date/time functions—ADD_MONTHS, MONTHS_BETWEEN, NEXT_D...
26ai_en [Definitive Guide] Oracle AI Database 26ai Free (Windows) Installation Instructions
"Oracle AI Database 26ai Free" has finally arrived! As the successor to the traditional "XE (Express Edition)" and "23ai...
Data Types_en Mastering Date/Time Arithmetic: An Operations Guide for Oracle SQL
The ability to handle dates and times in Oracle SQL is essential for data extraction, aggregation, and improving operati...
English Completely Master Oracle SQL’s MOD and POWER Functions!
This article provides a thorough explanation for beginners on the MOD and POWER functions, which are extremely useful in...
English About the ROUND and TRUNC Functions
The ROUND and TRUNC functions are useful tools for adjusting values in Oracle SQL. This article explains their usage and...
26ai_en ORACLE MASTER 26ai Announced! Urgent Reasons to Secure “19c” Certification Before Exam Content Changes Drastically
Oracle AI Database 26ai has finally been officially announced, and the full picture of the certification system has been...
English Mastering the LENGTH and INSTR Functions!
The LENGTH and INSTR functions are frequently used when performing string manipulation in Oracle SQL.This article provid...
English Oracle SQL: A Comprehensive Guide to the REPLACE and TRIM Functions
This article provides a thorough explanation, from basics to applications, of the frequently used REPLACE and TRIM funct...
Oracle Master Silver A Guide to Oracle LPAD and RPAD Functions: From Basics to Applications
The LPAD and RPAD functions are extremely useful tools in Oracle Database for formatting strings to a specific length. T...
26ai_en [26ai New Feature] What is Oracle AI Vector Search? Explanation of Mechanism and Implementation
The biggest highlight feature of Oracle Database 26ai (formerly 23ai) is "AI Vector Search." Until now, this technology ...
English A Guide to Oracle’s CONCAT and SUBSTR Functions
Among the essential string manipulation functions for mastering Oracle Database, CONCAT and SUBSTR are extremely useful....
26ai_en Oracle Database 26ai Free Installation Guide [RHEL8/Oracle Linux 8]
This article explains the installation procedure for "Oracle AI Database Free (26ai)," which allows you to experience th...
26ai_en Oracle AI Database 26ai On-Premises Release Set for Jan 2026! Differences from 19c and New AI Features Explained(Name changed from 23ai)
It has been revealed that the on-premises Enterprise Edition (Linux x86-64) of "Oracle AI Database 26ai," which will be ...
English A Complete Guide to UPPER, LOWER, and INITCAP Functions
String formatting is one of the most fundamental aspects of database operations. This article provides a thorough explan...