26ai_en Oracle 26ai RAC Setup Procedure ② [DB / Database]
Once the construction of Oracle Grid Infrastructure (GI) is complete, the next step is the construction of the Oracle 26...
DBA
26ai_en 26ai_en Oracle 26ai RAC Setup Procedure ① 【GI・Grid Infrastructure】
Do you want to build the latest version of Oracle Database, Oracle 26ai Real Application Clusters (Oracle RAC), but find...
English NTP Server (Chrony) Setup Guide for Oracle RAC Construction
In an Oracle Real Application Clusters (Oracle RAC) environment, ensuring that the time on all nodes is accurately synch...
English DNS Server Setup Guide for Oracle RAC Construction (Full Version)
This document explains the procedure for constructing a DNS server and configuring clients to meet the requirements of O...
English How to Use the Oracle SQL TRUNCATE Statement: Differences from DELETE and Optimization
When deleting large amounts of data, have you ever experienced issues like "the process never finishes" or "the UNDO tab...
English Oracle SQL: Correct Way to Write Joins for 3 or More Tables and Non-Equi Joins
In business system development and data analysis, there are frequent scenarios where you need to retrieve information by...
English Oracle SQL: Enhancing DML with Subqueries! INSERT/UPDATE/DELETE Usage Strategies
"I want to register data using search results from another table.""I want to update rows matching specific conditions ba...
26ai_en Oracle Smallfile vs Bigfile Differences and Best Practices: A DBA’s Operational Guide
In the physical design of an Oracle Database, the choice of tablespace management method directly impacts future scalabi...
26ai_en Oracle 26ai Tablespaces Default to Bigfile? Verification and Precautions
In Oracle Database 26ai (version 23.26.1 and later), the latest release for 2026, Oracle 26ai tablespaces are configured...
English Oracle SQL Set Operators: How to Use UNION ALL, MINUS, and More
Have you ever wanted to compile data scattered across multiple tables into a single list, or compare two datasets to ext...