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Write a SELECT statement that returns three columns: VendorName, InvoiceCount, and InvoiceSum. InvoiceCount is the count of the number of invoices, and InvoiceSum is the sum of the InvoiceTotal column. Group the result set by vendor. Sort the result set so that the vendor with the highest number of invoices appears first.
Data Modelling (database) require 8 page essay covering the following subjects: Organizational Intelligence. It must specifically talk about organizational intellignece being outcome of organization's efforts.
How can you make your database more hacker proof? How do you ensure the security of an organizations distributed database?
Explain what is the purpose of Database? The purpose of a database is to store information about certain types of objects. Give an example of two related TABLES.
What actions does a referential integrity constraint prevent from occurring when data is inserted in a table that contains this constraint?
Design a nested menus interface for a check-in and check-out hotel reservation system that can be used internationally.
ER diagram for the Baxter Aviation database
Pharmacy systems today are more efficient and user friendly when compared to the systems 20 years ago.
Describing the purpose of database an its functionality, plus a detailed E-R diagram.
Course: data mining. Require a 7 page essay on subjects: Warehouse Architectures: the paper requires to contain information about centralized, federated, and tiered data warehouse.
Prepare the relational schema for database
Create an entity-relationship diagram and design accompanying table layout using sound relational modeling practices and concepts.
Sketch an object-oriented model for a small private airport database that is used to keep track of airplanes, their owners, airport employees, and pilots.
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