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Explain I command in QBE ?
I : It is the command in QBE that is used to insert tuple (s) into the database
Describe domain constraints. Domain constraints contain entity integrity and referential integrity. The domain is a set of values that might be assigned to an attribute. The en
The Internal or Physical Level The collection of files permanently stored on secondary storage devices is called as the physical database. The internal or physical level is t
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Draw an Entity-Relationship model for the relational schema given in the Appendix. Show all the entities, relationships, relationship names, and attributes and also underline the
While sorting field groups we cannot use more than one key field False.
Define access time. Access time is the time from when a read or write request is issued to when data transfer starts.
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What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
explain exhausitively the problems associated with er diagrams with ellustrations
Create a table according to given data: AmbulanceDriver(Driver_Number#, Name, Address, Birth_Date) AmbulanceDriverTeam(Team_Number#, Driver_Number#, Join_Date, Lea
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