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Define page.
The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
Explain Hierarchical Model ? Hierarchical Model - It was established to model several kinds of hierarchical organizations which exist in the real world. It uses tree structur
how to design a bakery business in data base
1. Determine the set of minimal functional dependencies for the following data. The local bakery, Happy Cakes, needs your help designing a database that will support a kiosk in
what is cascading rollback
read-set(T) : Each data items that are read by a transaction T Timestamps : for all transaction T, the start-time and the end time are reserved for all the three phases.
Define tuple variable Tuple variable is a type of variable whose domain is the set of all tuples.
What are the function of DBA?
Question: (a) Can a set of data requirements be correctly modelled by two or more different ER diagrams? Explain your answer. You may use a small example, if you think it will
A database administrator''s responsibilities and data contents
Database systems have many opposite efforts ?
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