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Create centralized relational database using Top down method- Construction of Logical Model: Translation EERD into Relational Schema:Use the 8 steps algorithm of converting EERD into a set of relations, given in the text book "Elmasri and Navathe", to translate your EER model to a relational model. Describe each step of the algorithm.
Horizontal Fragmentation- Horizontal fragmentation groups together the tuples in a relation that are collectively used by the main transactions. A horizontal fragment is produced b
Describe Interfaces for the DBA? Interfaces for the DBA - Most database systems holds privileged commands which could be used only through the DBA's staff. These involves com
What is schema
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.
Rearrange the Execution Order for Efficiency Rearranging execution order for efficiency means executing such job that requires less execution time. By rearranging the object
What functions does a data dictionary perform? In a (DBMS)data management system, the principal functions performed by the data dictionary are Management of data defini
WOUND-WAIT
What is transaction? Collections of operations that form a single logical unit of work are known as transactions.
What is the way a particular application views the data from the database that the application uses? Sub schema is the way a particular application views the data from the data
why shadow copy technique is used?
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