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I will write sql queries and extract business insights from your data

United States

I speak English
Hi! I'm Hui, a data analyst based in the U.S. with strong skills in Python, SQL, Tableau, and R. I specialize in data cleaning, dashboard building, and statistical analysis. I've worked on real-world...
About this Gig

Need help writing SQL queries or extracting insights from your data?


I will help you write, debug, or optimize SQL statements that turn raw data into real business value.


What I offer:

Write clean SQL queries from your business questions

Join, filter, group, and summarize data across tables

Optimize query performance with indexes and logic

Analyze query results and explain insights

Export results to Excel or Google Sheets if needed


Supported Platforms:

MySQL, PostgreSQL, SQLite, SQL Server


Tools:

SQL, DBeaver, pgAdmin, Google Sheets


Why choose me?

Academic + real-world experience with data queries

Clean and documented output

Fast delivery and responsive communication


Lets unlock the power of your data with the right queries!


Database type:

Centralized database

Distributed database

Platform:

MySQL

PostgreSQL

SQLite

SQL Server

Expertise:

SQL

DQL

Normalization

Query optimization