Next up on these Data Structure interview questions, you have to understand a commonly asked question. 28. What is the use of dynamic Data Structures? Dynamic data structures provide users with a lot of flexibility in terms of the provision of data storage and manipulation techniques, which can...
physical structure The discipline of data structures, as a systematic body of knowledge, is truly a creation of computer science. The question of how to organize data was a lot simpler to answer in the days before the existence of computers: The organization had to be simple, because there ...
As basic as this question is, have a clear and concise answer that demonstrates your understanding of this term and its full scope, making it clear that big data includes just about any type of data from any number of sources, including the following: Emails. Server logs. Social media. Use...
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The table is the basic data structure used in a relational database. A table is a collection of rows. Each row in a table contains one or more columns. If you’re unfamiliar with relational databases, you can map a table to the concept of a file or database in a nonrelational databa...
Be sure to answer this in a concise yet detailed manner by explaining your interests, goals, and visions and how these match with the company’s structure. 50. Talk about your past data analysis work. This is a very commonly asked question in a data analysis interview. The interviewer will...
Try to make sure you can answer the question "What does a row in the data set represent?". This is the same as answering "What does the TableName(Count) field represent?". If you can't articulate that, the data might be structured poorly for analysis. Aggregation and Granularity What...
Another part of data structure and algorithm basics is working with Big O Notation, a formal way to express the efficiency of an algorithm with a data structure. Big O Notation focuses on answering the question "if there are N data elements, how many steps will the algorithm ta...
This is because the question of accountability most often is figured as a question of “ownership.” Data governance teams try to “find” data owners and put them on data governance councils, but once there, they often do not know what to do because no one has actually defined what they...
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