Tech Mahindra Technical Lead Interview Questions, Process, and Tips

SQL is a domain-specific language used for managing and manipulating relational databases.

• SQL stands for Structured Query Language.

• It is used to communicate with databases to perform tasks like querying data, updating records, and creating tables.

• Common SQL commands include SELECT, INSERT, UPDATE, DELETE, and JOIN.

• SQL is not case-sensitive.

• SQL databases include MySQL, PostgreSQL, Oracle, and SQL Server.

Project management methodologies are frameworks used to plan, execute, and manage projects efficiently.

• Common project management methodologies include Agile, Waterfall, Scrum, and Kanban.

• Agile focuses on iterative development and flexibility.

• Waterfall follows a linear sequential approach.

• Scrum involves small, cross-functional teams working in sprints.

• Kanban visualizes work on a board with columns representing different

Project development involves various phases such as planning, design, implementation, testing, and deployment.

• Planning phase involves defining project scope, goals, and requirements.

• Design phase focuses on creating a detailed blueprint of the project.

• Implementation phase involves coding and building the project.

• Testing phase is where the project is tested for bugs and errors.

• Deployment phase is when the project is rele...read more