📚 Overview This repository contains production-grade SQL schemas and curated exam questions designed to help you master Oracle SQL. Whether you're preparing for Oracle certifications (OCP, 1Z0-071) ...
Advanced SQL Functions: String functions (CONCAT, LENGTH, SUBSTRING, REPLACE, UPPER, LOWER) Date and time functions (DATE, TIME, TIMESTAMP, DATEPART, DATEADD) Numeric functions 9.
🔑 SQL Keys — The Foundation of High-Quality Data Analytics Even after years in the analytics industry, I’ve realized there’s always more to learn. Recently, while revisiting advanced SQL concepts, I ...
Customer stories Events & webinars Ebooks & reports Business insights GitHub Skills ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results