The following query throws an error. Choose the correct reason for the error as given in the options SELECT first__name, last_name FROM employees WHERE commission_pct = (SELECT min(commission_pct ) FROM employees GROUP BY department_id); O The GROUP BY clause is not required in the sub-query O The use of "=" operator is invalid; an IN operator will work correctly O Code will give an output without any errors O A function cannot be used in a sub-query SELECT statement

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Which of the following statements is/are False?
O Label encoding increases the overall number of dimensions
O R square increases with number of independent variables
O One hot encoding increases the overall number of dimensions
O All of the above
Which of the following is true about clustering?
O Scaling the data is not necessary for clustering
O K-means clustering results vary based on initialization points
O Outlier treatment is not required for clustering
O Categorical variables can be used in clustering without any preprocessing
Transcribed Image Text:Which of the following statements is/are False? O Label encoding increases the overall number of dimensions O R square increases with number of independent variables O One hot encoding increases the overall number of dimensions O All of the above Which of the following is true about clustering? O Scaling the data is not necessary for clustering O K-means clustering results vary based on initialization points O Outlier treatment is not required for clustering O Categorical variables can be used in clustering without any preprocessing
The following query throws an error. Choose the correct reason for the error as given in the options
SELECT first_name, last_name
FROM employees
WHERE commission_pct = (SELECT min(commission_pct ) FROM employees
GROUP BY department_id);
O The GROUP BY clause is not required in the sub-query
O The use of "=" operator is invalid; an IN operator will work correctly
O Code will give an output without any errors
O A function cannot be used in a sub-query SELECT statement
Transcribed Image Text:The following query throws an error. Choose the correct reason for the error as given in the options SELECT first_name, last_name FROM employees WHERE commission_pct = (SELECT min(commission_pct ) FROM employees GROUP BY department_id); O The GROUP BY clause is not required in the sub-query O The use of "=" operator is invalid; an IN operator will work correctly O Code will give an output without any errors O A function cannot be used in a sub-query SELECT statement
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