This project analyzes telecom customer usage in Rwanda using PL/SQL with window functions. We designed a database schema with customers, services, and usage_records tables, then applied ranking, ...

That is exactly what the AWS DevOps Engineer Professional Certification Exam measures. It validates your expertise in automation, infrastructure management, monitoring, and incident response while ...

I use these functions to summarize data with formulas instead of dialog boxes. That makes it easier to see exactly what's ...

How to view the list of databases available select name from sys.databases; - To pick a database to work use testdb; - To view the tables available in the testdb database select table_name from ...

Passwords are the main point of entry into most of the accounts you use every day, and a weak password could be the only thing standing between a cybercriminal and all your important data. The best ...