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Write short notes on relational model
The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an example of a record based model.
Question 1 What are the advantages of DBMS approach in managing data? Question 2 What are the services provided by a database system Question 3 List and briefly describe
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
cardnality ratio for humanresource mangement system
1. Item based services will be charged fixed prices, and time-based will be charged variably depending on time. Such as per hour. Item-based: Fixed, pedicure, waxing, threading, fa
i am not clear with the climetic condition of the north indian plain. can u plz explain it for me
What is a hash index? A hash index organizes the search keys, with their associated pointers, into a hash file structure.
Explain query execution plan? - Optimizer available in SQL Server optimizes code to be effectively executed. - A query execution plan demonstrates how this optimizer would r
i need to implememnt a treee based mining algorithm. do you have an expert that can do that?
What is serialization? Where it is used and why? Serialization is a basic term used for mechanisms which enable objects and object structures to be converted into portable for
Describe the types of attributes? Types of attributes: An attribute's category determines the type of values that are permitted in the attribute. For instance, the value vers
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