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English
$
USD
I will write sql queries and design efficient databases for your needs
Turning numbers into useful information
I'm an experienced data analyst skilled in Excel, Power BI, SQL (MySQL, PostgreSQL, MS SQL Server, Snowflake), Python (Pandas, NumPy, Matplotlib, Seaborn), and Alteryx. I specialize in data cleaning, ...
About this Gig
- I will write efficient and optimized SQL queries for your database needs.
- I can debug, analyze, and optimize queries to improve performance.
- I offer database design services, including ER diagrams and normalization.
- I can work with MySQL, PostgreSQL, SQL Server, and Snowflake databases.
- Clear documentation and unlimited revisions for your satisfaction.
Platform:
MySQL
•
PostgreSQL
•
SQLite
•
SQL Server
Expertise:
SQL
•
ER diagrams
•
Normalization
•
Query optimization
FAQ
1. What do I need to provide to get started?
I need details about your database structure (table names, columns, relationships) and the specific queries or tasks you need help with. If possible, sharing sample data or database schema would be helpful.
2. Which databases do you work with?
I work with MySQL, PostgreSQL, Microsoft SQL Server, and Snowflake. If you need help with another SQL-based database, feel free to ask!
3. Can you optimize my existing SQL queries?
Yes! I can review your queries for performance issues and optimize them using indexing, query restructuring, and execution plan analysis.
4. Do you offer database design services?
Yes! My Premium package includes ER diagram creation, normalization, and full database schema design for optimized performance.
Reviews
1 reviews for this Gig
| (1) | ||
| (0) | ||
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
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Most relevant
B 
banister
United States
Very skilled in the topics I had requested him to go through, and has a deep level of knowledge in different topics. I highly recommend anyone that is looking to learn about SQL, Tableau, PowerBI, Alteryx, and more reach out to him! He simplifies things and is a great teacher!
$50-$100
Price
2 days
Duration
I 
Seller's Response
Helpful?
Reviews
1 reviews for this Gig
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
B banister
United States
Very skilled in the topics I had requested him to go through, and has a deep level of knowledge in different topics. I highly recommend anyone that is looking to learn about SQL, Tableau, PowerBI, Alteryx, and more reach out to him! He simplifies things and is a great teacher!
$50-$100
Price
2 days
Duration
I Seller's Response
Helpful?
