Question
Why is metadata crucial in the management of
data?Solution
Metadata is essentially data about data —it provides information about the structure, origin, usage, and meaning of the data. This is crucial for understanding how data is organized, where it comes from, and how it should be interpreted. For example, metadata in a database may describe the type of data stored in a column, the relationships between tables, and the constraints or business rules that govern the data. In file systems, metadata includes information like file size, creation date, and file type, helping users and applications process and manage the data correctly. Option B (Metadata is only useful for storing data in databases) is incorrect because metadata is used in a variety of contexts, not just in databases. Option C (Metadata eliminates the need for data cleaning) is incorrect because metadata does not address data quality issues directly; it helps in understanding the data structure and context. Option D (Metadata directly affects the data analysis outcome) is incorrect because while metadata helps organize and understand the data, it does not directly affect the analysis outcome, which depends on the data itself. Option E (Metadata provides a means to visualize data more effectively) is incorrect because metadata helps organize data, but visualization depends on how the actual data is represented.
The Buddha got enlightenment under which of the following tree?
The decimal equivalent of (1101)2 is:
Which of the following dance forms traces its lineage to the ancient dance of Sadir Attam?
Which of the following teams won the Indian Super League 2020-21?
Who was appointed as India’s 28th Controller General of Accounts (CGA) in March 2023?
Which of the following countries accorded equivalence to central counterparties authorised by the Reserve Bank of India (RBI), in June 2023?
The maiden international cruise vessel between Chennai and Sri Lanka was flagged off by the Union Minister of Ports, Shipping and Waterways Sarbananda ...
Rivers such as the Ganga and Son flowed through ______, a mahajanapada in ancient India.
Which organisms are classified as Aves?
Which of the following varna was NOT entitled to the ritual of ‘Upanayana Samskara’ in later Vedic period?