Consider the following database schema and specify the following queries or views in SQL. EMPLOYEE(SSN, name, salary, DNo, SupervisorSSN) DEPARTMENT (DNo, DeptName, MgrSSN) PROJECT(PNo, location, ProjName) WORKON (SSN, PNo, hours) Find the SSN and name of the employee who works on more than two projects. For each project, retrieve the PNo, ProjName, and the number of employees from 'Research' department who work on the project. Create a view called 'DEPT_INFO' that has the department name, the number of employees, and the total salary of the employees of the department.

Q: Display the list of students who are involved in the IT club Display the details of all the…

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Q: The following relational schema forms part of an Employees database. The primary keys are underlined…

A: Note: As per the policy I answered as much as I can. Please resubmit the question separately which…

Q: Write the following queries in SQL on the relational database schema for COMPANY database given in…

A: Solution: Given: Given  the relational database schema for the COMPANY database   To Find:   Find…

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Q: Consider the following database with the below relations: customer-id 192-83-7465 019-28-3746…

A: The answers are given in the below step

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A: Both the questions are related to SQL Joins. It is used to combine multiple tables into one with a…

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Q: Using the instance of the Airport database, formulate the following queries in the relational…

A: Relational algebra is a procedural query language.

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A: Here, I have to write a PL/SQL code for the above question.

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Q: The following tables form part of a database held in a relational DBMS: Hotel (hotelNo, hotelName,…

A: Please refer to the following step for the complete solution to the problem above.

Q: What commands is used for removing (or deleting) a relation forms the SQL database?

A: The Answer is in Below Steps

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Q: omplete the sql querry.  Do asp

A: i have write table below:

Q: Write the following queries in SQL on the relational database schema for COMPANY database given in…

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A: Please find the answer below

Q: Write the following queries in SQL on the relational database schema for COMPANY database given in…

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Q: Using the instance of the Airport database, formulate the following queries in the relational…

A: Your query is given below as you required.

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Q: The following relational schema forms part of an Employees database. The primary keys are underlined…

A: Actually, database is a used to stores the data\information.

Q: use the information above to: With the aid of Microsoft SSMS (SQL Server Management Studio), create…

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