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Which model is record based logical model?
Network Modelis basically known as record based logical model.
coventions for displaying an ER schema as ER diagram
Representing complex relationship among data A database may contain varieties of data interrelated to each other in numerous ways. A DBMS must have the capability to represent
Package classes and associations into models Programs are made of separate physical units which could be edited, imported, complied or otherwise manipulated. The careful part
What is NULL? Give an example to described testing for NULL in SQL? The NULL SQL keyword is used to represent either a missing value or a value which is not applicable in a re
Project Description: I would like to get a database of a website which has clients email name and phone number. If you are able to get information from a website, by entering
You are required to design and build a data mart/data warehouse using Oracle. A national bank allocates funding every year for its local branches to provide temporary staff cove
cardnality ratio for humanresource mangement system
Explain the ISA relationship Answer: ISA relationship - ISA notation is employed in generalization/ specialization to depict relationship among lower and higer level entity s
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
Explain Clustering file organization (i) Determine if a record of file is physically ordered on a nonkey field - that does not comprise a different value for each record - that
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