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Best SQL freelancers for Business Intelligence to hire in 2025

Looking to hire SQL freelancers for your next Business Intelligence project? Browse the world’s best SQL freelancers for Business Intelligence on Contra.

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Wahid Ali
PROGhaziabad, India
$5k+
Earned
4x
Hired
4.9
Rating
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Explore SQL Business Intelligence projects on Contra

Cover image for ITER | SAAS Product
0
27
Cover image for Bank Customer Churn EDA
0
28
Cover image for Online Grocery Big Data Trends
0
15
Cover image for Sales Insights
0
43
Cover image for Implementing Dashboard to develop a Business Performance Tracker
0
30
Cover image for Frontend development - Olivertech
1
27
Cover image for Data Analysis for a German Metal Parts Manufacturer with $800M
0
12
Cover image for Development of a BI and Analytics Solution for a Regulatory Auth
0
2
Cover image for BI Consulting for a Diversified Company with 30+ Businesses
0
0
Cover image for Improving Decision Making: Data Analysis with SQL & Power BI
0
17
Cover image for Analyzing Spotify and YouTube Songs Using Python & MySQL
0
165
Cover image for Pocket Shop
0
4
Cover image for Case Study Analysis: Exploring India's COVID-19 Journey
0
31
Cover image for Ren Systems - Motion & Interaction Design
1
39
Cover image for HR data, particularly focusing on gender-related KPIs
0
13
Cover image for Genius - SaaS Project With 5 AI Services
0
9
Cover image for Larger E-Commerce Sales Dataset Exploration
0
20
Cover image for Credit Card Spending Pattern and Customer Acquisition | Power BI
0
50
Cover image for Data Visualisation and Storytelling using Power BI
0
78
Cover image for IMDB Movie Industry Correlation Analysis
0
5
Cover image for Database Management
0
8
Cover image for Lead Generation Data Extraction
1
28
Cover image for Aggregating Insights for global retail FMGC Brand with Power BI
0
3
Cover image for Enabling Logistics Insights using Microsoft Fabric and Power BI
0
3
Cover image for Flights Data Visualization in Power BI Integrated with SQL
1
52
Cover image for Sales Performance Report
0
6
Cover image for Power BI Consultation
0
16
Cover image for Sales Insights Dashboard
0
12
Cover image for HR Recruitment Company Management System
0
19
Cover image for Sales Data Analysis & Data Visualization in Power BI
1
88
Cover image for Web platform for efficiency monitoring
0
2
Cover image for Complete Business Solutions for your dental clinic | Jeeve
0
3
Cover image for Data Analytics
0
7
Cover image for Al-khair Khidmat Foundation | Streamlined NGO Display & Donation
0
5
Cover image for PRODIGI Studios Website Development
0
6
Cover image for EmpowerLine Malawi
1
20
Cover image for Cloud-Based Inventory Management System
0
2
Cover image for Efficient Data Entry: Organization, Input & Management
0
14
Cover image for ELEOS | Real Estate Admin Panel
2
5
Cover image for Data Analysis and Business Insights
0
4
Cover image for Custom Power BI Sales Analytics Dashboard
0
16
Cover image for Antibiogram
0
3
Cover image for GitHub - Cinorid/DB_to_Class
0
2
Cover image for Relume design
1
2
Cover image for PagerDuty - Employee Attrition Analysis Dashboard
0
4
Cover image for San Martin Stores – Sales Analytics & Performance Dashboard
0
0
Cover image for Claims Processing Performance/Trace File Analysis
0
5
Cover image for 🌿 Oliver Springs – Framer Landing Page
1
7
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Top services from SQL freelancers on Contra

Cover image for CREATING INTERACTIVE POWER BI DASHBOARD REPORTS
Azure SQL Database

Azure SQL Database

Data Visualizer

Data Scientist

CREATING INTERACTIVE POWER BI DASHBOARD REPORTS

$20/hr

Cover image for Data Engineering on Azure / Microsoft Fabric
Azure

Azure

Data Scientist

Data Modelling Analyst

Data Engineering on Azure / Microsoft Fabric

Contact for pricing

Cover image for Data Cleaning and Preparation Services
Microsoft Excel

Microsoft Excel

Data Scientist

Data Modelling Analyst

Data Cleaning and Preparation Services

Contact for pricing

FAQs

Look for projects similar to yours. Check if they have experience with databases you use, like MySQL or PostgreSQL. Make sure they show clear examples of queries and data manipulation.
An SQL expert should know how to write complex queries. They should be familiar with different types of data models and normalization. Ask if they have experience optimizing database performance.
Deliverables might include clean data reports or optimized database queries. You can also expect thorough database designs and efficient data structures. Make sure these meet your project needs.
Clearly explain your goals and what data you need. Create a list of specific tasks and outcomes you expect. Make sure the expert understands your timeline and budget.
Set up regular check-ins through email or video calls. Use clear and simple language to discuss project progress. Make sure feedback is given quickly to avoid delays.
Ask them to review your current database and suggest improvements. Look for their past experiences optimizing databases. Check if they know indexing and query optimization techniques.
Break timelines into smaller milestones, like database design or query creation. Plan enough time for testing and revisions. Ensure you both agree on deadlines that suit everyone.
Look for projects where they solved complex data issues. Ask them for examples of improving data quality or performance. Check if they can explain their problem-solving process clearly.
Include a description of your database and what you want to achieve. List out tasks, goals, and any specific requirements. Be sure to mention the tools or platforms you use.
Contra is designed for both freelancers (referred to as "independents") and clients. Freelancers can showcase their work, connect with clients, and manage projects commission-free. Clients can discover and hire top freelance talent for their projects.
Contra aims to revolutionize the world of work by providing an all-in-one platform that empowers freelancers and clients to connect and collaborate seamlessly, eliminating traditional barriers and commission fees.

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