Find top 2 largest departments in terms of number of employees The image contains a table with the following columns and rows:### Columns:1. **EMPNO**: Employee Number2. **ENAME**: Employee Name3. **JOB**: Job Title4. **MGR**: Manager's Employee Number5. **HIREDATE**: Date of Hire6. **SAL**: Salary7. **COMM**: Commission8. **DEPTNO**: Department Number### Row 1:- **EMPNO**: 7839- **ENAME**: KING- **JOB**: PRESIDENT- **MGR**: (null)- **HIREDATE**: 17-NOV-81- **SAL**: 5000- **COMM**: (null)- **DEPTNO**: 10### Row 2:- **EMPNO**: 7566- **ENAME**: JONES- **JOB**: MANAGER- **MGR**: 7839- **HIREDATE**: 02-APR-81- **SAL**: 2975- **COMM**: (null)- **DEPTNO**: 20This table provides data about employees, including their ID, name, position, manager, hire date, salary, commission (if any), and department number. The image is a table displaying information about different departments in a company. The table consists of three columns:1. **DEPTNO** - Department Number2. **DNAME** - Department Name3. **LOC** - LocationThe rows of the table list the specific details for each department:- **Row 1:** - DEPTNO: 10 - DNAME: ACCOUNTING - LOC: NEW YORK- **Row 2:** - DEPTNO: 20 - DNAME: RESEARCH - LOC: DALLAS- **Row 3:** - DEPTNO: 30 - DNAME: SALES - LOC: CHICAGO- **Row 4:** - DEPTNO: 40 - DNAME: OPERATIONS - LOC: BOSTONThis table can be used to understand the organizational structure by department number, department name, and their respective locations.

The given two tables record the data about EMPLOYEES and DEPARTMENTS. An Employee has one…

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Find top 2 largest departments in terms of number of employees

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

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Concept explainers

Enhanced ER Model

The enhanced ER model is an abbreviation for Enhanced Entity-Relationship (EER) model. As you know, the entity-relationship (ER) model is a pictorial illustration of the relationship between various entities of a domain. In the case of a large amount of data with multiple interrelated entities, the ER diagrams become complex and tough to interpret. For such cases, the need for enhancement in the ER model was observed, and thus, the EER model was designed.

Question

Find top 2 largest departments in terms of number of employees

The image contains a table with the following columns and rows:

### Columns:
1. **EMPNO**: Employee Number
2. **ENAME**: Employee Name
3. **JOB**: Job Title
4. **MGR**: Manager's Employee Number
5. **HIREDATE**: Date of Hire
6. **SAL**: Salary
7. **COMM**: Commission
8. **DEPTNO**: Department Number

### Row 1:
- **EMPNO**: 7839
- **ENAME**: KING
- **JOB**: PRESIDENT
- **MGR**: (null)
- **HIREDATE**: 17-NOV-81
- **SAL**: 5000
- **COMM**: (null)
- **DEPTNO**: 10

### Row 2:
- **EMPNO**: 7566
- **ENAME**: JONES
- **JOB**: MANAGER
- **MGR**: 7839
- **HIREDATE**: 02-APR-81
- **SAL**: 2975
- **COMM**: (null)
- **DEPTNO**: 20

This table provides data about employees, including their ID, name, position, manager, hire date, salary, commission (if any), and department number.

The image is a table displaying information about different departments in a company. The table consists of three columns:

1. **DEPTNO** - Department Number
2. **DNAME** - Department Name
3. **LOC** - Location

The rows of the table list the specific details for each department:

- **Row 1:**
- DEPTNO: 10
- DNAME: ACCOUNTING
- LOC: NEW YORK

- **Row 2:**
- DEPTNO: 20
- DNAME: RESEARCH
- LOC: DALLAS

- **Row 3:**
- DEPTNO: 30
- DNAME: SALES
- LOC: CHICAGO

- **Row 4:**
- DEPTNO: 40
- DNAME: OPERATIONS
- LOC: BOSTON

This table can be used to understand the organizational structure by department number, department name, and their respective locations.

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