u
uzair_sql

UzairK

@uzair_sql

SQL Queries , MySQL Database Design , Data Cleaning

Pakistan
Englisch, Urdu
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
I am a student learning SQL and MySQL database development. I can help with writing SQL queries such as SELECT, JOIN, GROUP BY, and aggregate functions. I also work with basic database design using tables and relationships, and can help with simple data cleaning tasks like removing duplicates and organizing data. My focus is on providing correct and clear solutions for student-level and beginner database tasks. Additionally, I can design simple databases with well-structured tables and relationships. I focus on delivering accurate, clean, and understandable solutions.... Mehr lesen

Kompetenzen

u
uzair_sql
UzairK
offline • 
Durchschnittliche Antwortzeit: 1 Stunde

Meine Dienstleistungen

SQL- und NoSQL-Abfragen
I will clean your messy data and fix sql queries fast
Ab5 $ / ProjektWeitere Details
Datenbankadministrator
I will do sql assignments, queries, and database tasks fast
Ab5 $ / ProjektWeitere Details

Portfolio

Arbeitserfahrung

Freelancer.com

Freelance SQL Developer / Independent Projects

Freelancer.com • Freiberufler

Jul 2025 - Present • 10 mos

SQL Project: Retail Inventory & Sales System Objective: Developed a relational database to manage product stock levels, supplier information, and daily sales transactions for a small retail business. Technical Skills: Utilized MySQL for schema design, ensuring data integrity through 3NF normalization and strategic relationship mapping using Primary and Foreign Keys. Key Queries: Engineered complex queries involving Multiple JOINS, GROUP BY, and Sub queries to generate automated reports on top-selling products and low-stock alerts. Data Cleaning: Implemented data scrubbing techniques to identify and remove duplicate entries and resolve null value inconsistencies, ensuring 100% data accuracy.