oracle database

Data Dictionary Internals_en

Oracle Move Data Files: Safe Procedures and Examples [Linux/19c]

When reorganizing storage or cleaning up directories in your Oracle environment, knowing how to move data files safely i...
Data Dictionary Internals_en

Oracle Tablespace View Complete Guide: Verify Usage Correctly with DBA_* / V$*

This article explains how to correctly verify the usage and size of tablespaces in Oracle and how to expand capacity whe...
English

Oracle Tablespace Local Management: How to Create and Choose

Introduction (100–160 chars)In oracle 19c, creating a tablespace with local management automates extent management and s...
Database Design_en

Oracle OS Authentication: Configuration Steps and Practical Points

Published: Nov 18, 2024 / Updated: Aug 30, 2025Oracle Database provides two authentication methods: database authenticat...
English

Oracle TNS_ADMIN: Proper Usage and Configuration Steps [Linux/19c]

Introduction (Summary)When you want to centrally manage Oracle connection settings, use the TNS_ADMIN environment variab...
English

Oracle DBMS_PRIVILEGE_CAPTURE: Introduction to Privilege Analysis

To operate Oracle Database securely, it is important to grant users only the minimum required privileges. Leaving unnece...
Oracle Basics_en

Oracle Database Profile Configuration Guide

IntroductionThe basics of account administration are to assign an appropriate profile to each oracle user and standardiz...
English

Oracle Database 19c User Creation and Management

In this article, we will walk through how to create and manage a user in an oracle database, specifically assuming a non...
ADR_en

Complete Guide to the Oracle Database Alert Log

The alert log is Oracle’s chronological record of instance health and incidents. If you can read the alert log fast, you...
Bronze_en

Oracle SQL INSERT … SELECT: Practical Techniques in 19c

IntroductionWhen you need to move or transform a large volume of data in one go, insert select is a go-to technique. Thi...