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Oracle - Associate Software Developer (CGIU)

Back Again! Oracle’s Hiring Sequel.

Sep 26, 2025 • Adarsh-Kmt

Oracle - Associate Software Developer (RGIU)

My experience interviewing at Oracle.

Sep 2, 2025 • Adarsh-Kmt

2

July 2025

The Page Codec Pt 2: Slotted Pages for B-Tree Nodes

Using the slotted page layout to represent B-Tree nodes.

Jul 1, 2025

June 2025

Why do databases use Direct I/O?

Why databases don’t trust the OS to handle their data.

Jun 30, 2025 • Adarsh-Kmt

1

May 2025

The Page Codec Pt 1: Understanding Slotted Pages

A smarter way to organise sorted variable-length records in a fixed-size page.

May 29, 2025 • Adarsh-Kmt

1

The Database Server Pt 2: Request/Response Protocol

Implementing a binary protocol over TCP for client-server communication.

May 25, 2025 • Adarsh-Kmt

1

The Database Server Pt 1: Accepting Client Connections & Graceful Shutdown

Building a server that communicates with clients over the network on top of the storage engine.

May 21, 2025 • Adarsh-Kmt

The Buffer Pool Manager Pt 3: Page Guards

How does the buffer pool manager synchronise access to pages? How are the contents of these pages interpreted?

May 16, 2025 • Adarsh-Kmt

2

The Buffer Pool Manager Pt 2: Replacer

How does the buffer pool manager store pages in memory? How does it evict pages to make room for new ones?

May 3, 2025 • Adarsh-Kmt

2

March 2025

The Buffer Pool Manager Pt 1: Disk Manager

How does the buffer pool manager read and write pages to disk? How does it ensure data is persisted reliably?

Mar 22, 2025 • Adarsh-Kmt

1

February 2025

Building a Database: The Plan Moving Forward

I’ve wanted to build a key-value database for a while now.

Feb 12, 2025 • Adarsh-Kmt

2

Challenge 5: Mob in the Middle

Let's build a proxy for Budget Chat!

Feb 5, 2025 • Adarsh-Kmt