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$
USD
I will write and fix sql queries for your data needs
About this Gig
Need help writing, fixing, or improving an SQL Query?
I can help you with SQL queries for relation and NoSQL Databases, including MySQL, SQL Server, PostgreSQL and MongoDB.
What I can help with:
- Write SQL Queries based on your requirements
- Fix SQL syntax and query errors
- Debug existing queries
- Improve query performance and readability
- work with SELECT, JOINs, filtering, grouping, subqueries, CTEs and other SQL operations
- Help with DML operations such as INSERT, UPDATE, DELETE, AND MERGE
Please provide your query, database type, and requirements when placing an order.
Database type:
Non-relational database
•
Relational database
Platform:
MongoDB
•
MySQL
•
PostgreSQL
•
SQL Server
Expertise:
SQL
•
DDL
•
DML
•
Query optimization
FAQ
What Information do you need to work on my SQL query ?
Please provide the SQL query, database type, and a clear description of what you want the query to do or what issue you are facing. If available, sample table structures and sample data are also helpful.
Which databases do you work with ?
I work with MySQL, SQL Server, PostgreSQL and MongoDB.
Can you fix an SQL query that is giving an error ?
Yes. I can review the query, identify syntax or logical issues, and provide a corrected query based on your requirements.
Can you optimize and existing SQL query ?
Yes. I can review your SQL query and suggest improvements for readability and query performance based on the information you provide.
