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Explain Authorization and Integrity Manager ?
Authorization and Integrity Manager: Tests for the satisfaction of integrity constraints and checks the authority of users to access data.
how many types of data model in DBMS? explain data abstraction with its different level
what is database management system? & why it is required?
Can i get help with weka software
What are the benefits of OOA technology? Using OOA technology can produce many benefits, such as: i) Reusability of code ii) Productivity is gained through direct mappi
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
Primary index A primary index is a file that has a sorted series of records having two columns: a block address for that key field in the data file; and the ordering key field.
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 te
#question.what is mapping constraints and types?.
What does the cardinality ratio specify? Mapping cardinalities or cardinality ratios state the number of entities to which another entity can be associated. Mapping cardinaliti
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