[Solved] Given this application.properties snippet:spring.datasource.url=jdbc:mysql://localhost:3306/mydb spring.datasource.username=root spring.datasource.... | Spring Boot

Spring Boot - Application Configuration

Given this application.properties snippet:

spring.datasource.url=jdbc:mysql://localhost:3306/mydb
spring.datasource.username=root
spring.datasource.password=pass123

What will Spring Boot use for the database username?

Aroot

Blocalhost

Cpass123

Dmydb

Step-by-Step Solution

Solution:

Step 1: Identify the key for username
The key spring.datasource.username holds the database username.
Step 2: Read the value assigned
The value assigned is root, so Spring Boot uses this as the username.
Final Answer:
root -> Option A
Quick Check:
Username key value = root [OK]

Quick Trick: Look for .username key to find DB user [OK]

Common Mistakes:

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