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Consider the following relational schema and SQL query. The schema captures information about employees, departments, and company finances. Emp ( eid , did, salary, category
Consider the following relational schema and SQL query. The schema captures information about employees, departments, and company finances. Empeid did, salary, category did, dname, floor, phone Financedid budget, sales, expenses Consider the following query: SELECT Ddname, Fbudget FROM Emp E Dept D Finance F WHERE EdidDdid AND DdidFdid AND Dfloor AND Esalary AND E category Here are some statistics: Salary range from to The attribute did in the relation Emp is foreign key. category
Consider the following relational schema and SQL query. The schema captures
information about employees, departments, and company finances.
Empeid did, salary, category
did, dname, floor, phone
Financedid budget, sales, expenses
Consider the following query:
SELECT Ddname, Fbudget
FROM Emp E Dept D Finance F
WHERE EdidDdid AND DdidFdid AND Dfloor
AND Esalary AND E category
Here are some statistics:
Salary range from to
The attribute did in the relation Emp is foreign key.
category
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