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properties of derirable decomposition
Define weak and strong entity sets? Weak entity set: entity set that do not have key attribute of their own are known as weak entity sets. Strong entity set: Entity set that
wh
In the ER diagram, one example of subclassing is depicted following the Services entity. The subclasses Item Based and Time Based are created. The entity Services gains the attribu
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
complete er diagram of textile industry management
Explain the Role of a database administrator a. Defining the Schema The DBA describes the schema which consists of the structure of the data in the application. The DBA
Determine the language that needs a user to specify the data to be retrieved with no specifying exactly how to get it is Ans: Non-Procedural DML
(a) Why did SAP introduce the extended star schema?
Java program for horrizontal fragmentation in distributed database
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