JSON to SQL Database Conversion

I have a JSON file that I need to be converted into a SQL database. The conversion needs to be done quickly, ASAP.

Key requirements:
- Extracting and transforming data from a JSON file
- Setting up and populating a SQL database (MySQL or PostgreSQL)
- Ensuring data integrity and consistency

Ideal Skills:
- Proficiency in working with JSON files
- Expertise in SQL database management (MySQL or PostgreSQL)
- Experience in database design and implementation
- Ability to deliver within tight deadlines

If you have the necessary skills and can get this done urgently, I would love to hear from you.