Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024Database-Management-System
| Question 527 |
The task of correcting and preprocessing data is called as
| Data streaming | |
| Data cleaning | |
| Data mining | |
| Data storming |
Question 527 Explanation:
→ Data cleansing or data cleaning is the process of detecting and correcting (or removing) corrupt or inaccurate records from a record set, table, or database and refers to identifying incomplete, incorrect, inaccurate or irrelevant parts of the data and then replacing, modifying, or deleting the dirty or coarse data.
→ Data cleansing may be performed interactively with data wrangling tools, or as batch processing through scripting.
→ Data cleansing may be performed interactively with data wrangling tools, or as batch processing through scripting.
Correct Answer: B
Question 527 Explanation:
→ Data cleansing or data cleaning is the process of detecting and correcting (or removing) corrupt or inaccurate records from a record set, table, or database and refers to identifying incomplete, incorrect, inaccurate or irrelevant parts of the data and then replacing, modifying, or deleting the dirty or coarse data.
→ Data cleansing may be performed interactively with data wrangling tools, or as batch processing through scripting.
→ Data cleansing may be performed interactively with data wrangling tools, or as batch processing through scripting.
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