You want to override the default datasource URL only for the test profile in application.properties. Which is the correct way to do this?

hard📝 Application Q9 of 15

Spring Boot - Application Configuration

You want to override the default datasource URL only for the test profile in application.properties. Which is the correct way to do this?

Aspring.datasource.url=jdbc:mysql://prod-db:3306/prod --- spring.datasource.url=jdbc:mysql://test-db:3306/test spring.profiles.active=test

Bspring.datasource.url=jdbc:mysql://prod-db:3306/prod spring.datasource.url=test:jdbc:mysql://test-db:3306/test spring.profiles.active=test

Cspring.datasource.url=jdbc:mysql://prod-db:3306/prod spring.datasource.url["test"]=jdbc:mysql://test-db:3306/test spring.profiles.active=test

Dspring.datasource.url=jdbc:mysql://prod-db:3306/prod spring.datasource.url=test=jdbc:mysql://test-db:3306/test spring.profiles.active=test

Step-by-Step Solution

Solution:

Step 1: Understand profile-specific properties syntax
Profile-specific properties go in separate files or sections marked by --- and profile name.
Step 2: Identify correct profile override format
spring.datasource.url=jdbc:mysql://prod-db:3306/prod --- spring.datasource.url=jdbc:mysql://test-db:3306/test spring.profiles.active=test shows a YAML style with --- separator and profile active set, which is correct for profile overrides.
Final Answer:
Use --- separator and spring.profiles.active=test -> Option A
Quick Check:
Profile overrides use --- and spring.profiles.active [OK]

Quick Trick: Use --- and spring.profiles.active for profile overrides [OK]

Common Mistakes:

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