English A Complete Explanation of Segment Shrink vs. DELETE/TRUNCATE Behavior
Efficient operation of Oracle Database requires freeing unnecessary space and optimizing performance. At the core of thi...
oracle
English English Oracle Database Segment Extension — Error Handling and Best Practices
In Oracle Database, as data grows, segments can run short of space, which may trigger errors and degrade performance. Th...
English A Guide to Mastering Oracle Environment Variable Settings (.bash_profile Edition)
When working with Oracle Database, configuring environment variables is essential. By leveraging .bash_profile, you can ...
English About Oracle Database Environment Variables(unix)
To operate Oracle Database correctly, configuring environment variables is essential. This article covers everything fro...
English What Are Deferred Segments? Usage and Caveats
In Oracle Database, when you create a table, a segment (the physical storage area for data) is usually allocated immedia...
English Explaining Segment Management in Oracle Database
To improve the operational efficiency of a database, you need to optimize storage management. At the center of that is s...
Performance_en Oracle SQL Tuning Quick Guide: Execution Plans, Statistics, and Tracing [19c]
This article is a rewritten, more practical, and reproducible version of the original “Oracle SQL Tuning Basics.” While ...
English Row Migration & Row Chaining — Understand Causes, Detection, and Remedies in One Go (Oracle)
To solve database performance issues, you must understand row migration and row chaining. This article digs into both co...
English Segment Space Management Methods and PCTFREE Explained
Oracle Database administrators must correctly understand segment space management and the concept of PCTFREE to manage d...
English Oracle Data Block Row Storage: Mechanism and Verification Steps
Introduction (Summary)In oracle, row storage inside a data block consists of “block header / directory / row data / free...