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What is meant by Physical blocks?
The input and output operations are completed in block units. The blocks residing on the disk are referred to as physical blocks.
Describe the development process of Object oriented methods Object oriented methods have roots which are strongly anchored back in the 60s, functional and structured methods we
What are the aggregate objects in the data dictionary? Views Match codes Lock objects.
Explain the three data models namely relational, network and hierarchical and evaluate their relative advantages and disadvantages. Hierarchical Model: In hierarchical model, da
Adding Redundant Associations for Efficient Access Redundant associations do not add any type of information, therefore during design we should actually examine structure of o
Implementation of association as an object Implement as a separate association object, independent of either class, as in Figure. An association object is a group of pairs
Need a sample of a clinic database relationships
Some disadvantages of File Oriented System ?
#questiontypes of keys examples..
What is an ER diagram? Why is it used in Database management system (DBMS)?
Write the syntax of creating an INDEX ? Syntax of Creating an Index: CREATE [BITMAP] [UNIQUE] INDEX ON ( [, ] . . .);
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