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What are the technique to define a schema completely ?
A schema is completely define by DDL and DML query language.
Explain the Aggregation implies concurrency Concurrency actually is: This in objects can be identified by the way they change state. Present objects can change state independen
What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
Find out the names of all employees who work for first Bank Corporation from database. SELECT EMPLOYEE_NAME FROM WORKS WHERE COMPANYNAME = ‘First Bank Corporation';
What is a view? How it is related to data independence? A view might be thought of as a virtual table, that is, a table that does not really exist in its own right but is inste
i need to implememnt a treee based mining algorithm. do you have an expert that can do that?
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
diagrams and meaning
Example: RELATIONAL SCHEMA for PERSON: PERSON (PERSON_ID: integer, NAME: string, AGE: integer, ADDRESS: String) RELATION INSTANCE In this instance, m = 3 and n = 4
(a) Why did SAP introduce the extended star schema?
Database design Database tables will be created for you on the Technology web server. The schema will be as follows. Please note that this is a simplified database structure, d
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