Question Description
Consider the following SQL query:SELECT COUNT(DISTINCT department_id) FROM employees;What does the above query return?a)Total number of employees in the databaseb)Number of unique department IDs in the databasec)Number of employees in the Sales departmentd)Number of employees with distinct salariesCorrect answer is option 'B'. Can you explain this answer? for Software Development 2025 is part of Software Development preparation. The Question and answers have been prepared according to the Software Development exam syllabus. Information about Consider the following SQL query:SELECT COUNT(DISTINCT department_id) FROM employees;What does the above query return?a)Total number of employees in the databaseb)Number of unique department IDs in the databasec)Number of employees in the Sales departmentd)Number of employees with distinct salariesCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Software Development 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following SQL query:SELECT COUNT(DISTINCT department_id) FROM employees;What does the above query return?a)Total number of employees in the databaseb)Number of unique department IDs in the databasec)Number of employees in the Sales departmentd)Number of employees with distinct salariesCorrect answer is option 'B'. Can you explain this answer?.

Solutions for Consider the following SQL query:SELECT COUNT(DISTINCT department_id) FROM employees;What does the above query return?a)Total number of employees in the databaseb)Number of unique department IDs in the databasec)Number of employees in the Sales departmentd)Number of employees with distinct salariesCorrect answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Software Development. Download more important topics, notes, lectures and mock test series for Software Development Exam by signing up for free.

Here you can find the meaning of Consider the following SQL query:SELECT COUNT(DISTINCT department_id) FROM employees;What does the above query return?a)Total number of employees in the databaseb)Number of unique department IDs in the databasec)Number of employees in the Sales departmentd)Number of employees with distinct salariesCorrect answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Consider the following SQL query:SELECT COUNT(DISTINCT department_id) FROM employees;What does the above query return?a)Total number of employees in the databaseb)Number of unique department IDs in the databasec)Number of employees in the Sales departmentd)Number of employees with distinct salariesCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for Consider the following SQL query:SELECT COUNT(DISTINCT department_id) FROM employees;What does the above query return?a)Total number of employees in the databaseb)Number of unique department IDs in the databasec)Number of employees in the Sales departmentd)Number of employees with distinct salariesCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of Consider the following SQL query:SELECT COUNT(DISTINCT department_id) FROM employees;What does the above query return?a)Total number of employees in the databaseb)Number of unique department IDs in the databasec)Number of employees in the Sales departmentd)Number of employees with distinct salariesCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Consider the following SQL query:SELECT COUNT(DISTINCT department_id) FROM employees;What does the above query return?a)Total number of employees in the databaseb)Number of unique department IDs in the databasec)Number of employees in the Sales departmentd)Number of employees with distinct salariesCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice Software Development tests.