An n-gram is a continuous sequence of n elements of a given sequence of text or speech. It is a type of probabilistic language model for predicting the next element in such a sequence in the form (n-1).
32) Explain what are the criteria of a good data model?
It can be easily consumed
Large data changes in a good model should be scalable.
It should provide predictable performance.
A good model can adapt to changing requirements.
These interview questions will also canada consumer mobile number list help you with your speaking skills.
Here are Data Warehouse interview questions and answers for freshers and experienced candidates looking to land their dream job.
1) What is a data warehouse?
A data warehouse (DW) is a data storage that is used for a management decision support system. A data warehouse consists of a wide range of data that has a high level of business conditions at a certain point in time.
In short, it is a repository of integrated information that can be accessed for query and analysis.
2) What is Business Analytics?
Business intelligence is also known as DSS - Decision Support System, which refers to the technologies, applications, and practices of collecting, integrating, and analyzing business information or data. Even it helps to see the data about the information itself.
Free PDF Download: Data Warehouse Interview Questions and Answers
3) What is the size chart?
A dimension table is a table that contains the dimension attributes stored in fact tables. This table consists of hierarchies, categories, and logic that can be used to traverse nodes.
Criteria for a good data model include
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