Question
In a Data Analytics pipeline, which of the following is
an advantage of using Dimensional Modelling?Solution
Dimensional Modelling simplifies data analysis by structuring data into fact and dimension tables. This star or snowflake schema allows for easier and faster querying, particularly for OLAP systems, by optimizing data retrieval. Why Other Options are Wrong: a) Dimensional modeling is not focused on normalization, which is a feature of relational modeling. b) Transaction processing is more efficient in normalized databases, not dimensional ones. d) Dimensional models may introduce some data redundancy due to denormalization. e) Dimensional modeling is designed for analytical queries, not real-time data processing.
‘Pressure’ is related to ‘Pascal’ and ‘Electricity’ is related to ‘Watt’ in the same way as ‘Heat’ is related to ‘___________’. ...
Statements: Some chargers are metal. All metal are hard. Some hard are stools.
Conclusion I: All chargers are metal.
Conclusion II: Some stools are hard.
Identify the odd oneÂ
Select the option that is related to the fifth term in the same way as the second term is related to the first term and the fourth term is related to th...
In a knockout football competition 23 teams participated. What was the least number of matches they needed to play to decide the winner?
If ‘R @ S %T & U # V’, then how is R related to U?
In the following question, select the related letter pair from the given alternatives.Â
KW : FR :: ?Â
V, W, X, Y and Z are five friends. V, X and Z are fond of Mango. W, X and Y like Apple. V, W and Z like Guava. W, X and Z like Banana. V and Y are fond...
How many triangles are there in the given figure?
From his fishpond, Niyaz went to the fish market. First, he went straight towards the north for 2 km and then turned right. Thereafter, he walked straig...
