Apply Filters to SQL Queries

Project summary

The project focused on creating SQL queries to filter data about logins and employees. The log_in_attempts and employees tables were used, applying logical operators (AND, OR, NOT) and patterns (LIKE) for precise information retrieval.

The main tasks included:

  • Searching for failed logins after business hours.

  • Analyzing logins from specific dates (e.g., May 9, 2022).

  • Identifying logins from outside Mexico.

  • Filtering employee data in the Marketing, Finance, and Sales departments, as well as excluding individuals from IT.