Over a two-month period, 2221611@ub.edu.ph developed foundational database solutions for the UBLC-CITEC/IT2B_CC105 repository, focusing on sales analytics and vehicle collision reporting. They designed and implemented normalized SQL schemas, including a comprehensive sales database with EMPLOYEE, PRODUCT, TIME, CUSTOMER, and SALES tables, and a dedicated vehicle_collision table to capture crash details, location, and contributing factors. Their approach emphasized clear data modeling, repository-level documentation, and artifact sharing through ERD references, supporting both onboarding and future analytics work. Using SQL and database design best practices, their contributions provided stable, extensible data layers for downstream business intelligence and reporting needs.