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Cumulative sum in SQL is a running total of a column's values.
Use the SUM() function with the OVER() clause to calculate the cumulative sum.
The OVER() clause specifies the partitioning and ordering of rows for the calculation.
Example: SELECT column_name, SUM(column_name) OVER (ORDER BY column_name) AS cumulative_sum FROM table_name;
I applied via Naukri.com and was interviewed in Dec 2022. There were 3 interview rounds.
30 mins basic aptitude questions
I will use ETL (Extract, Transform, Load) process to analyze a large data set by extracting data from various sources, transforming it into a usable format, and loading it into a target database.
Extract data from multiple sources such as databases, files, APIs, etc.
Transform the data by cleaning, filtering, aggregating, and structuring it for analysis.
Load the transformed data into a target database for further analysi...
I am highly proficient in Excel, with advanced skills in data analysis, formulas, and pivot tables.
Advanced knowledge of Excel functions and formulas
Experience with creating complex spreadsheets for data analysis
Proficient in using pivot tables for summarizing and analyzing data
Skilled in data visualization using charts and graphs
Familiarity with macros and VBA for automation tasks
I applied via Campus Placement and was interviewed before Aug 2021. There were 4 interview rounds.
Be assertive. You can speak less, but be confident in your opinion. Try to have a different opinion from the rest of the crowd, this always works and gets you noticed.
Pharmaace Analytics interview questions for popular designations
Top trending discussions
I appeared for an interview in Dec 2016.
The number of 0s in 1 to 1000 is 192.
There are 1000 numbers from 1 to 1000.
Every 10 numbers have one 0 in the units place.
Every 100 numbers have ten 0s in the tens place.
Every 1000 numbers have one hundred 0s in the hundreds place.
Therefore, there are 1 + 10 + 100 + 81 = 192 0s in total.
Cut the cake in half, then cut each half in half again. Repeat once more to get 8 equal parts.
Use a long, sharp knife to make clean cuts.
Start by cutting the cake in half vertically.
Then cut each half in half horizontally.
Repeat the process once more to get 8 equal parts.
Use a cake divider or toothpicks to mark where to cut for even slices.
Core is not the best fit for our current needs and goals.
Our current focus is on expanding our reach to new markets.
Core may not have the necessary features to support our growth plans.
We have evaluated multiple options and found a better fit for our requirements.
I applied via Campus Placement
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
I want to join EXL because of its reputation for excellence in consulting and its commitment to innovation and growth.
EXL has a strong reputation for excellence in consulting, which aligns with my career goals.
I am impressed by EXL's commitment to innovation and its use of advanced technologies in solving complex business problems.
EXL's focus on growth and expansion presents exciting opportunities for professional deve...
Strategy to sell credit cards to Chennai population
Conduct market research to understand the needs and preferences of the Chennai population
Offer attractive rewards and benefits such as cashback, discounts, and reward points
Partner with local businesses to offer exclusive deals and discounts to credit card holders
Create targeted marketing campaigns in local languages and use social media to reach a wider audience
Provid...
I appeared for an interview before Jan 2016.
I appeared for an interview before Dec 2015.
I am a highly motivated and experienced consultant with a strong track record of delivering successful projects.
Over 10 years of experience in consulting for various industries including finance, healthcare, and technology
Expertise in project management, process improvement, and data analysis
Proven ability to lead cross-functional teams and deliver results on time and within budget
Strong communication and interpersonal...
EXL is a global consulting and analytics firm that helps businesses transform and streamline their operations.
EXL provides services in areas such as finance, healthcare, insurance, and more
They use advanced analytics and technology to drive business outcomes
Consulting allows for problem-solving and strategic thinking in a variety of industries
EXL's consulting services help clients improve efficiency, reduce costs, and
based on 3 interviews
Interview experience
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Rating in categories
12-15 Yrs
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1-8 Yrs
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3-6 Yrs
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Associate Consultant
91
salaries
| ₹6.3 L/yr - ₹15 L/yr |
Consultant
86
salaries
| ₹7 L/yr - ₹24 L/yr |
Analyst
54
salaries
| ₹5 L/yr - ₹10 L/yr |
Senior Consultant
26
salaries
| ₹9.8 L/yr - ₹33 L/yr |
Project Manager
16
salaries
| ₹14 L/yr - ₹38 L/yr |
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