I have 20 year exp on development, use, and optimize database of over 100GB size, over 1000 tables.
MS SQL Server , Oracle 9-12i, , PostgreSQL, MySQL, InterBase SQL, FireBird SQL,Influxdb .
High degree of Information Technologies In Economic.
Strong ERP, Accounting coding exp.
My last project of this week, use mssql triggers and stored procedures:
https://www.freelancer.com/u/AntonBliznetc/portfolio/SQL-MSSQL-Stored-Procedures-coding-5008989