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Question: Use a correlated sub-query to return one row per customer, representing the customer's oldest order (the one with the earliest date).
Each row should include these three columns: EmailAddress, OrderID, and OrderDate.
Can someone provide the answer with database management system?
Produce a diagram showing schema and the partial and transitive dependencies in your 1NF. b. Produce a diagram showing table schema and any transitive dependencies in your 2NF
Write and test functions that return summation of all the numbers (items) in the list. Write a recursive function that returns the summation of all the numbers in the list.
To represent a problem description given in natural language as an (Enhanced) Entity -Relationship model; to convert the ER/EER model into a relational data model;
Write SQL commands which would implement this profile. Next, write query that would list profile, profile resource name, and limit value for the new profile.
Write SELECT statement which returns those rows with the balance due greater than 1000. Sort result set by InvoiceTotal, with largest invoice first.
If the value for the ListPrice column is a negative number, the stored procedure should raise an error that indicates that this column doesn't accept negative numbers. Similarly, the procedure should raise an error if the value for the DiscountPer..
Can we offer an example of a Query in which we can use a parentheses to affect the order of execution in which the WHERE Clause has both AND and OR Logical Operators?
Make sure that the 3 additional tables you added in Unit 3 are also shown and have established primary and foreign keys to appropriate tables.
create a plsql block to achieve the following using the hr schemaselect the name salary and department of the employee
Write PL/SQL procedures and functions to populate and query that database
Write down SQL needed to create employee table containing the following data: employeeID, text, length of 5, primary key lastName, text, length of 25
question 1 write a query to display the last name department number and salary of any employee whose department number
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