Question
'G', 'H', and 'I', working together, can finish a task
in 6 days. 'G' and 'H' can do it in 7.2 days, and 'H' and 'I' in 9 days. How long would it take for 'H' alone to complete the task?Solution
ATQ, 
Which of the following best defines the concept of the "Internet of Things" (IoT)?
Which schema in data warehousing uses a central fact table connected to dimension tables?
Data warehouse metadata primarily describes:
Which type of slowly changing dimension (SCD) preserves full history by adding a new row for each change and using effective date ranges?
Which of these is NOT an ensemble method?
In a snowflake schema of a data warehouse, which of the following consequences is most likely as a result of normalization of dimension tables?
Which OLAP operation involves focusing on a subset of dimensions (e.g., region=‘Asia’)?
ETL stands for:
Which SQL keyword is used to combine results from two queries and remove duplicates?
Data cleansing is primarily concerned with:
