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What is conceptual schema?
The schemas at the view level are known as subschema that describe dissimilar views of the database.
What are the three data anomalies that are similarly to take place as a result of data redundancy? Can data redundancy be completely eliminated in database approach? Why or why n
Use Delegation to Share Implementation The delegation " Delegation comprises of catching an operation on one object and sending it to other object which is part, or related to
Define lock? Lock is the most common used to execute the requirement is to permit a transaction to access a data item only if it is currently holding a lock on that item.
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
Identify the need and use of data control through problem solving, illustration
1.Suppose you are given a dataset that consists of a random sample of tasters, on which the following variables were obtained: (y) Zpref = taste preference for green beans store
usecase diagram,activity diagraM,SEQUENCE DIAGRAM
How persistent programming languages differ from traditional programming languages? Database languages vary from traditional programming languages in that they directly manipul
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
note on hashing technique
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