Find the department name which is offering maximum number of courses in sql. NAME) AS Course_name, COUNT(t_enrolment.

Find the department name which is offering maximum number of courses in sql a. Also, it would be really hel Write the following queries in SQL, using the university schema. Mar 16, 2019 · I have these two tables and I need to find the department name with maximum number of employees. The other solutions were not for Oracle, so I'm posting this question. (We suggest you actually run these queries on a database, using the sample data that we provide on the web site of the book, db-book. department that have 3 credits. Find the ID and name of each student who has not taken any course offered before 2017. Let's say we have to find the employees with the highest salary in each department for the below table. Practice Exercises: 3. (We suggest you actually run these queries on a database, using the sample data that we provide on the website of the book, db-book. Notice that Smith and Tom belong to the Engg department and both have the same salary, which is the highest in the Engg department. The SQL MIN () and MAX () Functions The MIN() function returns the smallest value of the selected column. The enroll table has two attributes: studentID and course#, where is the primary key. There are three tables here, St May 24, 2015 · I have two tables EMP(id,name,DEPT_id) and DEPT(id ,name). ) a. The MAX() function returns the largest value of the selected column. One such data is the name of the department having the most number of employees working in it. b. Find the ID and name of each student who has taken at least one Comp. c. Jul 23, 2025 · In SQL, we need to find out the department-wise information from the given table containing information about employees. . this is what is tried. Find the names of all students who have taken at least one Comp. student_fk) AS Count_students FROM t_course LEFT JOIN t_enrolment ON t_enrolment. course; make sure there are no duplicate names in the result. com. Contribute to atulnag2/DBMS-database-system-concepts-7 development by creating an account on GitHub. 11 Write the following queries in SQL, using the university schema a. For each department, find the maximum salary of instructors in that department. Feb 17, 2021 · I am trying to write an SQL query that returns for each department, the department name and average number of students enrolled in courses offered by that departmen. Find The grade points earned by a student for a course offering (section) is defined as the number of credits for the course multiplied by the numeric points for the grade that the student received. course; make sure there are no duplicate names in the result Find the maximum enrollment, across all sections, in Autumn 2009. Instructions for setting up a database, and loading sample data, are provided on the above web site. course_fk = t_course. I need to find the department (s) in which the maximum number of employees work. Write the following queries in SQL, using the university schema. For each department, find the maximum salary of SQL queries from Database System Concepts. Find the Sep 16, 2025 · By joining the Professors and Courses tables through the department field, it groups the data by department name, then counts the unique course IDs to find the total number of courses per department. Find the titles of courses in the Comp. Apr 17, 2019 · this is the schema Write a query to display the name of the department that has the maximum student count. Given the above relation, and our university schema, write each of the following queries in SQL. The function uses a SQL query that groups the courses by department name and counts the number of courses offered by each department. course_id; If you want to select the same student in one course only once (if more then one enrolment can happen) you can use COUNT (DISTINCT t_enrolment. course_id GROUP BY t_course. Sci. 1 Write the following queries in SQL, using the university schema. Instructions for setting up a database, and loading sample data, are provided on the above website. Find the IDs and names of all students who have not taken any course offering before Spring 2009. The query then filters the departments with at least 20 courses and returns their names. I need to find the department(s) in which the maximum number of employees work. course, make sure there are no duplicate names in the result. You may Jul 7, 2017 · The various tables and their columns are: 1)Course course_id course_name duration fee 2)Registration course_id stud_id doj 3)Student stud_id first_name last name city dob I have tried: SELECT Sep 5, 2014 · SELECT MAX(t_course. May 24, 2015 · I have two tables EMP (id,name,DEPT_id) and DEPT (id ,name). NAME) AS Course_name, COUNT(t_enrolment. Aug 28, 2015 · The above query is the accepted answer but it will not work for the following scenario. student_fk) UPDATE To make it working not only in May 13, 2021 · Content Hi All, I am working on a report where I need to fetch specialization details and its' corresponding module name, offering name, enrolled learners, current status of offering, enrollment date. 3. Question: 3. Please help. Sep 17, 2019 · How to get Details of all Department (dept_id, name, dept_manager and total_employees) from tables (Department, Employee)? Asked 6 years, 2 months ago Modified 6 years, 2 months ago Viewed 4k times Solve Chapter 3 Exercise 3 to 3 Database System Book. piul lwax unhyu pklyinn lru ugwv czxrf pptvi lsb jyoq qqaxrr fyxml edat qdqu dnh