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Saving Derived Attributes to Avoid Re-computation
Data that is derived from other data should be stored in the computed form to avoid re-computation. For this, we could define new classes and objects and these derived classes must be updated if any of the base objects is changed.
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
Define value set? Value set: It is a set of values. You do not always need a user to enter junk free text within all the fields. Therefore, Oracle Apps uses value set to valida
What are the Issues when Selecting a Database Issues when Selecting a Database Storage space requirement: A database requires about triple storage space of the actua
What is a database? At any given time, they're storing a tremendous amount of information - inventory, in the case of Amazon, messages and interrelationships in the case of Tw
The Form input elements are: Reporter name text type input Password
Describe identifying relationship? Identifying relationship: It is relationship among strong entity and a weak entity it is represented through a doubly outlined diamond in C
Hi is anyone well versed in accounting information systems available now to help me work through an important assignment due tomorrow at noon?
What is the difference among a primary index and a secondary index? Primary Index: A primary index is an ordered file whose records are of fixed length along with two fields.
What are data models? Explain it detail? Entity relationship model Rectangles Ellipse Diamonds Lines Relational model Relational model use a collection
1) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pict
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