I'm doing a Scrum project. These are the points and sub-points in the current Sprint:

Database Infrastructure Setup
	-Research and select the appropriate database management system
	-Set up the database infrastructure and ensure scalability and security
Database Schema Design
	-Design the database schema to support the application's data requirements
Data Manipulation and APIs
	-Develop necessary database queries and APIs for data manipulation
	-Test new features
Data Backup and Recovery
	-Implement data backup and recovery mechanisms
	-Testing
Perfomance and Optimization
	-Test and optimize database performance for efficient data retrieval and storage
User Authentication Flow
	-Design the user authentication flow and interfaces

I'm writing an event history for the daily scrums. Could you write a short summary for 8 daily scrums based on these points? Write it in past tense like it already happened.