Container Database (CDB)
Multitenant Container Database (CDB) 🧠 IntroductionWhat is a Container Database (CDB)?Think of it like a hotel 🏨: Let’s break it down! 🧩 What Is…
CATEGORY
Database
Master SQL, PostgreSQL, MySQL, MongoDB, and trending open-source databases. Learn optimization, design patterns, and best practices for modern data management.
323 articles
In-Memory Area
🧠 IntroductionOracle In-Memory sounds complex, right? But it doesn’t have to be. It’s simply a smart way to speed up analytics and reporting without…
Database Buffer Cache
🧠 Introduction When your Oracle database needs to read or write data, it doesn’t always hit the disk directly. Instead, it uses a special…
Large Pool
🧠 IntroductionThe Large Pool is an optional memory area within the System Global Area (SGA) of an Oracle Database instance. It handles large memory…
Shared Pool
🧠 IntroductionThe Shared Pool is a vital part of the System Global Area (SGA) in an Oracle Database instance. It caches parsed SQL, PL/SQL…
Background Processes
🧠 IntroductionOracle Database doesn’t run on magic — it runs on background processes!These are small helper programs that quietly keep your database alive, healthy,…
Program Global Area
Program Global Area (PGA) 🧠 IntroductionThe Program Global Area (PGA) is like a private workspace for each Oracle process.Unlike the SGA, which is shared…
System Global Area
What is SGA in Oracle? When Oracle says it’s “allocating memory” at startup, it’s setting up the System Global Area (SGA) — a shared…
Database Instance
🧠 What is a Database Instance? If you’re learning Oracle, you’ll hear the word “Instance” a lot. But what exactly does it mean? Let’s…
Database Server
🖥️ What is a Database Server? By now, you know what a database is (where data lives) and what a DBMS is (software that…
Oracle DB: Editions & Versions
🧠 Oracle Database: Editions & Versions — Explained When working with Oracle, one of the first things a DBA should understand is: “What edition…
DBMS and OS
DBMS and OS: Working Together Behind the Scenes We know a DBMS is just software — and like all software, it runs on top…