TCS Interview Questions and Answers

CDM involves various activities, including data cleaning, validation, and database lock.

• Data cleaning and validation

• Database design and setup

• CRF design and review

• Data entry and query management

• Data quality control and assurance

• Database lock and data transfer

The main reason for switch is to explore new opportunities and challenges.

• To gain new experiences and skills

• To seek better compensation and benefits

• To escape a toxic work environment

• To pursue a passion or interest

• To relocate to a new city or country

Yes, I have exposure to multiple databases.

• I have worked with Oracle, MySQL, and MongoDB databases.

• I am familiar with SQL and NoSQL databases.

• I have experience in data migration and integration across multiple databases.

• I have worked with data warehousing and data modeling using multiple databases.

Worked on various business models including subscription, freemium, and e-commerce.

• Subscription-based model for a SaaS company

• Freemium model for a mobile app

• E-commerce model for an online retail store

• Pay-per-use model for a cloud-based service

• Advertising-based model for a social media platform