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Explain Instance and schemas?
Instances and schemas: Databases changes over time as the information is deleted and inserted. The collection of information stored in database at a particular moment in time is known as Instances and the whole design of database is known as schemas.
Determine the concept of Process Process: A process transforms the data values. It is represented as ellipse containing a description of transformation. Each procedure has a
Insulation between conceptual and physical structures It can be defined as: 1. The Database Administrator should be capable to vary the storage structures without affectin
What is the used of specifying alias? Specifying alias: is used to rename column or attribute in a table.
Project Description: This is a Customer Management project. Customer data is presented in a text file. The program can load this text data into its database columns. The data ma
Normalization :It is a process of examine the given relation schemas based on their primary key and Functional Dependencies (FDs) to achieve the properties Minimizing redun
differences between a classified catalog and a dictionary catalog
Our company hires independent contractors to install equipment at precise locations across North America. We want to track the installation data and generate reports. The compan
Load sample data into the database tables design and test queries to return the following information • All rows and columns for employees • All rows and columns for customers •
Architectural standard: Designation : Architect , Consultant Job Profile : As a part of Oracle Fusion Middleware at Satyam, I am involved with Presales, Delivery, A
(a) Why did SAP introduce the extended star schema?
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