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Practical/Practical Exam/SQL/S7 - SQL Queries.md
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**Problem Statement:**
Consider following Relation
Employee(emp_id,employee_name,street,city)
Works(employee_name,company_name,salary)
Company(company_name,city)
Manages(employee_name,manager_name)
Create above tables with appropriate constraints like primary key,
foreign key, not null etc.
1. Change the city of employee working with InfoSys to ‘Bangalore’
2. Find the names of all employees who earn more than the average
salary of all employees of their company. Assume that all people
work for at most one company.
3. Find the names, street address, and cities of residence for all
employees who work for 'TechM' and earn more than $10,000.
4. Change name of table Manages to Management.
5. Create Simple and Unique index on employee table.
6. Display index Information
Account (Acc_no, branch_name,balance)
Branch(branch_name,branch_city,assets)
Customer(cust_name,cust_street,cust_city)
Depositor(cust_name,acc_no)
Loan(loan_no,branch_name,amount)
Borrower(cust_name,loan_no)
1. Create a View1 to display List all customers in alphabetical order who have loan from Pune_Station branch.
2. Create View2 on branch table by selecting any two columns and perform insert update delete operations.
3. Create View3 on borrower and depositor table by selecting any one column from each table perform insert update delete operations.
4. Create Union of left and right joint for all customers who have an account or loan or both at bank
5. Create Simple and Unique index.
6. Display index Information.
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