Instawork India Data Operations Analyst Interview Questions and Answers

Reducing delivery time can be achieved by optimizing the supply chain, improving communication, and automating processes.

• Analyze the supply chain and identify bottlenecks

• Implement automation tools to streamline processes

• Improve communication between departments and with customers

• Use data analytics to forecast demand and plan accordingly

• Consider outsourcing or partnering with third-party logistics providers

• Invest in tec...read more

Developed a data analytics project for a retail company to optimize inventory management.

• Implemented a predictive analytics model to forecast demand and optimize inventory levels.

• Analyzed historical sales data and market trends to identify patterns and make data-driven recommendations.

• Collaborated with cross-functional teams to gather requirements and ensure successful implementation.

• Generated comprehensive reports and...read more

Steps involved in analyzing decrease in sales for a particular area

• Identify the time period for which sales have decreased

• Analyze the sales data for the area and compare it with previous periods

• Identify any external factors that may have contributed to the decrease in sales

• Conduct customer surveys to identify any issues with products or services

• Analyze competitor activity in the area

• Develop a plan to address the issues...read more

Rolling sum query adds up a specified number of rows in a table based on a given condition.

• Use the OVER() function to specify the window frame for the rolling sum.

• Specify the number of rows to include in the window frame using ROWS BETWEEN.

• Use ORDER BY to specify the order of rows in the window frame.

• Example: SELECT column1, SUM(column2) OVER (ORDER BY column1 ROWS BETWEEN 2 PRECEDING AND CURRENT ROW) AS rolling_sum FR...read more

The amount of work experience is an important factor in determining the suitability of a candidate for the Business Analyst role.

• Work experience helps in developing a deep understanding of business processes and industry trends.

• It allows the candidate to gain practical knowledge and skills in data analysis, problem-solving, and project management.

• Having relevant work experience demonstrates the ability to work effectiv...read more