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Fiverr Pro
English
$
USD
I will write sql queries and design relational databases
Excel And Power BI Data Analyst ,Dashboards, SQL , Python Analysis
I help businesses make sense of their data through clean dashboards and actionable reports.
Skilled in Excel, Power BI, SQL, and Python — I turn raw, messy data into clear visual insights that drive ...
About this Gig
️ I Will Design Your Database & Write Powerful SQL Queries
Struggling with messy data or need a solid database built from scratch? I design relational databases and write SQL queries that actually answer your business questions clean, tested, and easy to understand.
What I can do for you:
Design relational database schemas (tables, primary/foreign keys, relationships)
Write queries from simple filters to complex multi-table joins
Aggregations & grouping totals, averages, counts by category
Subqueries & nested logic for advanced business questions
Debug broken or error-throwing queries
Analyze your data to answer real business questions (top customers, best-selling items, revenue breakdowns, etc.)
Tools I use:
️ PostgreSQL
Proper schema design with keys & relationships
Clean, commented SQL scripts
What you'll get:
Working, tested SQL queries
️ A well-structured database (if design is included in your package)
Results explained in plain language, not just raw output dumped on you
Why work with me?
Every query is written from scratch for your actual data and business needs no copy-pasted templates.
Kindly send me your table structure or business requirements before ordering!
Database type:
Centralized database
•
Relational database
Platform:
PostgreSQL
Expertise:
SQL
•
DML
•
DQL
•
ER diagrams
