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What are the various forms of data transparency? a) fragmentation transparency b) replication transparency c) location transparency
what is er digram given that example of hospital,bank and library er digram.
what should be included in this???
Need For Distributed Database Systems A distributed database is a set of database kept on multiple computers that appears to applications as a one database. As a result, an app
Describe the definition of a transaction in SQL Ans: The SQL transaction starts implicitly. Transactions are finished by either Commit work that commits the transaction and st
#question.what is mapping constraints and types?.
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
Which element in the database can modified by changing the data dictionary? Data elements in the database can be changed or modified through changing the data dictionary.
What is entity in DBMS? Entity: A DBMS entity is either a thing in the modelled world or a drawing element in an ERD.
how many hourse have been spent on a certain project
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