Question
In each of the following questions, a letter-number
series is given with one or more terms missing as shown by (?). Choose the missing term out of the given alternatives. KWF, MTD, MQA, NNW, ?Solution
First letter: K + 1 = L L + 1 = M M + 1 = N N + 1 = O Second letter: W – 3 = T T – 3 = Q Q – 3 = N N – 3 = K Third letter: F – 2 = D D – 3 = A A – 4 = W W – 5 = R
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:
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