sql

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...
2026.01.05
26ai_enCDB/PDB_enEnglishOracle Basics_enOracle Overview_enSQL_enViews_en
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...
2026.01.04
26ai_enEnglishOracle Basics_enOracle Overview_enSQL_en
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...
2026.01.03
26ai_enCDB/PDB_enDatapump_enEnglishOracle Basics_enOracle Overview_enOracleNet_en
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" ...
2026.01.02
26ai_enEnglishOracle Basics_enOracle Installation_enOracle Overview_en
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...
2026.01.01
26ai_enEnglishInitialization Parameters_enOracle Basics_enOracle Overview_en
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...
2025.12.31
Data Types_enEnglishSQL_enSilver_en
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...
2025.12.30
26ai_enCDB/PDB_enEnglishOracle Basics_enOracle Installation_enOracle Overview_enOracle_install_en
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...
2025.12.29
Data Types_enEnglishSQL_enSilver_en
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...
2025.12.26
EnglishSQL_enSilver_en
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...
2025.12.24
EnglishSQL_enSilver_en
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