IT-405 — June 2025 ,,

IT-405 — December 2024

IT-405 — June 2023

IT-405 — June 2022

IT-405 — June 2020

1. SQL Basics

• Data Definition in SQL (DDL)
• Data Storage and Definitions
• Data Retrieval Queries (DQL)

• Update Statements (DML)

JUNE 2020—Data retrieval queries and update statements

• Views in SQL

JUNE 2023==VIEWS

DEC 2024

DEC 2024

2. Query Processing & Optimization

JUNE 2025