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After a shopper completes the ordering process a procedure is called to update the following columns in the BASKET table: ORDER PLACED, SUBTOTAL, SHIPPING, TAX, and TOTAL. A value of 1 is to be entered into the ORDER PLACED column to indicate the shopper has completed the order. Inputs to the procedure are the basket id and the amounts for the subtotals, shipping, tax, and total. <br/>
How does the order of joins in an SQL statement affect the performance of the join and what can the DBA do to determine the preferred order of joins for an SQL statement that includes the join of at least three tables?
Display the CustomerID from the Orders table and the sum of the associated ItemPrice multiplied by Quantity using Gross Sales (with a space) as the column name from the OrderItems table.
Write PL/SQL procedures and functions to populate and query that database
Create a report using the wizard or based on an SQL query that that shows Courses that instructors are approved to teach. Show Course Number, First Name, and Last Name of Instructor.
Understanding the SQL script, creating the database and inserting data and display all product information for products that contain the string ‘saw' in their description.
An ER diagram for the system. Show all entities, relationships, cardinalities and optionalities. Also, include all intersection entities. You must use the Finkelstein methodology as per the study book and tutorials.
The board of XYZ expects the data warehousing system to provide some functions to analyse their customers in order to improve their management and services.
in this problem we will consider a movie database with three tablesmoviedirectortitle director yearmoviecasttitle actor
Given the series RLC resonant circuit in the figure, operating at variable frequency, determine: The resonant frequency ω o , The circuit’s quality factor Q , The cut-off frequencies, f 1 & f 2 and the bandwidth BW
This assessment item is designed to test your understanding of arrays/arraylists, objects, classes, methods, sorting and searching.
Please note that for "Table Employees" due to length of the table description and page size limit, I have broken it into 2 parts for better visibility, please make sure to use all the given attributes from the table.
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..
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