Question
Read the given statements and conclusions carefully.
Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements . Statements: Some bangles are necklaces. All necklaces are clips. All clips are pins. Conclusions: (I) All necklaces are pins. (II) Some clips are bangles.Solution
All necklaces are clips (A) + All clips are pins (A) → All necklaces are pins (A). Hence conclusion I follows. Some bangles are necklaces (I) + All necklaces are clips (A) → Some bangles are clips (I) → Conversion → Some clips are bangles (I). Hence conclusion II follows.
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: