Question
Which of the following is a direct method of weed
control involving the mechanical destruction or physical removal of weeds?Solution
Hand weeding is a mechanical method where weeds are manually uprooted or cut. It is labor-intensive but very effective, especially in small-scale or high-value crop systems.
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 SQL clause is used to summarize data?
A surrogate key is:
Which of the following best defines the concept of the "Internet of Things" (IoT)?
In the context of a relational database, which of the following is NOT a characteristic of a candidate key ?
Which SQL query will correctly calculate the average salary of employees in each department and group them by department in a table named 'employees'?
What is meant by 'cardinality' in data modeling?
Which analytics type is focused on predicting future outcomes?
Which of the following commands is part of the Transaction Control Language (TCL) in SQL?
Data cleansing is primarily concerned with: