TCS Architect Interview Questions and Answers

DW Architecture refers to the design and structure of a data warehouse system.

• DW Architecture includes components like data sources, ETL processes, data storage, and data presentation layers.

• It involves designing a schema for organizing data in a way that supports efficient querying and reporting.

• Examples of DW Architecture components include star schema, snowflake schema, and data marts.

• DW Architecture also consi...read more

DBMS stands for Database Management System. Normalization in Oracle is the process of organizing data in a database efficiently.

• DBMS is a software that manages databases, allowing users to store, retrieve, and manipulate data.

• Normalization in Oracle involves organizing data into tables and columns to reduce redundancy and improve data integrity.

• There are different levels of normalization, such as First Normal Form...read more

A trigger is a special kind of stored procedure that automatically executes when an event occurs in the database management system.

• Triggers can be used to enforce business rules, maintain referential integrity, or audit changes to data.

• Examples of triggers include automatically updating a timestamp when a record is modified, preventing deletion of a record based on certain conditions, or sending an email notificat...read more

Steps to follow for MSTR to Power BI migration

• Assess the current MSTR environment and identify the reports and dashboards to be migrated

• Map the data sources and connections used in MSTR to Power BI equivalents

• Recreate the reports and dashboards in Power BI using the mapped data sources

• Test the migrated reports and dashboards to ensure accuracy and functionality

• Train users on the new Power BI environment and retire...read more

Performance improvement can be managed through setting clear goals, providing feedback, and offering training and development opportunities.

• Set specific and measurable goals for employees to work towards

• Provide regular feedback and coaching to help employees improve

• Offer training and development opportunities to enhance skills and knowledge

• Recognize and reward employees for their achievements

• Create a culture of co...read more

A suitable approach to build a system in a set of particular requirements involves understanding the requirements, designing the system architecture, selecting appropriate technologies, and testing the system.

• Understand the requirements thoroughly

• Design the system architecture based on the requirements

• Select appropriate technologies for the system

• Test the system to ensure it meets the requirements

• Iterate on the de...read more

Technologies and assessment are key components in architecture.

• Technologies refer to the tools and software used in the design and construction process.

• Assessment involves evaluating the feasibility, sustainability, and safety of a project.

• Examples of technologies include Building Information Modeling (BIM) and Virtual Reality (VR) software.

• Assessment may involve analyzing environmental impact, structural integrit...read more