Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Consider an information system designed for an online company which provides IT products and services
These include desktops, laptops, networking products, IT books, parts, and technical support etc. Purchases made through the online store can be collected from various outlets. Individual outlets are responsible for maintaining their respective stocks. The products and services are provided by contracted vendors. The information system can be viewed as a virtual shop which is capable to access all products and services in store across all outlets. Buyers are not aware of the existence of different outlets. In the virtual shop, a buyer can assemble a shopping cart and check out by paying in one transaction using Paypal. The buyer will designate a specific outlet for collection or request shipment.
Briefly describe the system you use as the basis for your analysis.
Quantitative analysis
a. Make an estimation of the size of the product catalogue in your chosen product types. It should include both the number of records and the size of an individual record. State the basis of your estimate.
b. Make an estimation of the number of queries per day, and of the number of purchases. Estimate the size of two years of history of sales including both the number of records and the size of an individual record. State the basis for your estimates.
Explain retrieval in QBE? Retrieval in QBE : A "GUI" for expressing queries. Based on the Domain Relational Calculus (DRC) Actually invented before GUIs. Very co
Sequential File Organisation The most necessary way to organise the collection of records in a file is to use sequential Organisation. Records of the file are stored in series
Safe Banking is a Canberra based credit union, which has several branches around Canberra and Queanbeyan. YOU have taken over Safe Banking. YOU need to create a database that organ
what should be included in this???
i need to submit in this topic.
What functions does a data dictionary perform? In a (DBMS)data management system, the principal functions performed by the data dictionary are Management of data defini
What is DML (Data Manipulation Language)? This language that enable user to access or manipulate data as organised by appropriate data model. Procedural DML or Low level: DM
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
i would like to ask if you will do assignment of database number of words 1500 and how much
we need example of 2phase locking
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd