VTV Productions Interview Questions and Answers

Star and dimension schema are used in data warehousing to organize data, while window functions in SQL are used for analytical queries.

• Star schema is a type of schema where a central fact table is connected to multiple dimension tables.

• Dimension schema is a type of schema where each dimension is represented by a separate table.

• Window functions in SQL are used to perform calculations across a set of table rows related to the current row.

• Examples of window functions include ROW...read more

Use the MAX() function in SQL to find the highest salary.

• Use the MAX() function along with the column name that contains the salaries.

• Example: SELECT MAX(salary) FROM employees;

• Ensure you have the necessary permissions to access the salary data.

There are various types of websites such as static, dynamic, responsive, etc. Sizes can vary based on content and functionality.

• Types of websites: static, dynamic, e-commerce, portfolio, blog, social media, etc.

• Sizes can range from small personal websites to large corporate websites with extensive content and functionality.

• Responsive websites adapt to different screen sizes for optimal viewing experience.

• Examples: Amazon (e-commerce), Medium (blog), Facebook (social media)

Index match and match functions are used in Excel to lookup values in a table.

• Index match is used to lookup a value in a table based on row and column criteria.

• Match function is used to find the position of a value in a range.

• Example: =INDEX(A1:D10, MATCH(lookup_value, A1:A10, 0), MATCH(lookup_value, A1:D1, 0))

UI/UX design rules and differences between Figma and Photoshop.

• UI/UX design rules include consistency, simplicity, accessibility, and user feedback.

• Figma is a collaborative interface design tool with real-time collaboration features.

• Photoshop is a raster graphics editor used for photo editing and graphic design.

• Figma is web-based while Photoshop is a desktop application.

• Figma is more focused on UI design while Photoshop is versatile for various design tasks.

Figma columns are a feature that allows designers to easily organize and align elements on the canvas.

• Columns help in creating consistent layouts by snapping elements to a grid

• They can be adjusted in width and gutter size to suit the design needs

• Columns can be used for responsive design to ensure elements align properly across different screen sizes

There are mainly two types of grids - symmetrical grids and asymmetrical grids.

• Symmetrical grids have equal spacing between columns and rows, creating a balanced layout.

• Asymmetrical grids have varying spacing between columns and rows, allowing for more creative and dynamic layouts.