Which assertion about the following queries is true? SELECT COUNT(DISTINCT mgr), MAX(DISTINCT salary) FROM emp; SELECT COUNT(mgr), MAX(salary) FROM emp; Select one: O a. They will always return the same numbers in columns 1 and 2 O b. They will always return the same number in column 1 but may return different numbers in column 2 O c. They may return different numbers in column 1 but will always return the same number in column 2. O d. They may return different numbers in column 1 and may return different numbers in column 2

Which assertion about the following queries is true? SELECT COUNT(DISTINCT mgr), MAX(DISTINCT salary) FROM emp; SELECT COUNT(mgr), MAX(salary) FROM emp; Select one: O a. They will always return the same numbers in columns 1 and 2 O b. They will always return the same number in column 1 but may return different numbers in column 2 O c. They may return different numbers in column 1 but will always return the same number in column 2. O d. They may return different numbers in column 1 and may return different numbers in column 2

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Similar questions

Research methods are different from methodology (e.g., library research, field research, and laboratory research).
What is physical and logical blog explain it (database question)
How to understand complicated document shortly
Do in-depth analysis on the application that has object-oriented design (00)
Differentiate between research methodology and research method with examples
Explain the concept of object-oriented programming (OOP) and its benefits in software design and development.
when comparing software development to web development
IT, kinds
The keyword searches used to search the web and those used to search databases vary significantly from one another. What are some of the key differences between the two in terms of how the searches are phrased and what the results of a query are?
Despite their distinct meanings, research methods and methodologies are frequently used interchangeably (e.g., library research, field research, and laboratory research).
Explain in details about Traits in PHP application?
Differentiate between research methodology and research methodology, referring to the many types of research as methods and techniques (e.g., library research, field research, and laboratory research).