Digital Jini Interview Questions and Answers

Test engineers collaborate with team members to plan, execute, and analyze tests to ensure software quality.

• Test engineers work closely with developers, product managers, and quality assurance teams to understand requirements and design test cases.

• They collaborate with other test engineers to share knowledge, best practices, and test automation scripts.

• Test engineers participate in daily stand-up meetings to discuss progress, blockers, and priorities with the team.

• They provid...read more

Handled a difficult customer complaint at a retail store

• Listen to the customer's concerns without interrupting

• Empathize with the customer and apologize for the inconvenience

• Offer a solution or alternative to resolve the issue

• Follow up with the customer to ensure satisfaction

DAX functions are formulas used in Power BI to create custom calculations, aggregations, and comparisons.

• DAX stands for Data Analysis Expressions

• Functions can be used to create measures, calculated columns, and calculated tables

• Examples of DAX functions include SUM, AVERAGE, COUNT, IF, and RELATED

• DAX functions can also be used to manipulate dates, perform text operations, and work with tables and columns

Merge combines two or more datasets into one, while append adds new rows to an existing dataset.

• Merge is used when we want to combine two or more datasets with similar columns into one dataset.

• Append is used when we want to add new rows to an existing dataset.

• Merge can be done using different types of joins such as inner join, left join, right join, and outer join.

• Append can be done using the 'concatenate' function in pandas library in Python.

• Both merge and append are commonl...read more

Power Query is a data transformation and cleansing tool used in Microsoft Excel and Power BI.

• Power Query allows users to extract, transform, and load data from various sources.

• It can be used to clean and reshape data, merge multiple data sources, and create calculated columns.

• Power Query also has a user-friendly interface and supports advanced data transformations.

• Examples of data sources include Excel spreadsheets, CSV files, databases, and web pages.