Using the instance of the Airport database, formulate the following queries in the relational algebra: 1)List the name and the state of all United States airports. 2)List full details of all airports located outside the United States. Note: You should use the not equal sign  in this query. 3)Display the number of all carriers and the average of their revenues.

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A: First get the studid from Club table and then get those Student details This can be done using inner…

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A: In this question we have to write a SQL Based Query using SQL server and the AdventureWorks2012…

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Q: I need help figuring out the SQL quereys for the questions above using table joining method.  1)…

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

Q: a. Write a query to get the job ID and maximum salary of the employees where maximum salary is…

A: a) select Job_Id, max(Salary) from Employee group by job_id having (max(SALARY) >='4000');

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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: In this database problem, we are tasked with creating an SQL query that lists the names of all…

Q: This is the problem: (from Database Systems Book, 13th ed) Write a query to display the author last…

A: Create table AUTHORS_OF_BOOKS using the below query: SQL QUERY: /* Create a table called NAMES…

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

A: Relational algebra which refers to the a procedural query language. It also which gives a step by…

Q: Explain the relationship between EXISTS and correlated subqueries.

A: Given: Explain the relationship between EXISTS and correlated subqueries.

Q: Consider the following relational schema and answer the following questions. Employee (Employee_Id,…

A: The SQL query is given below for the above given question:

SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.