goals, Database Management System

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what are the purposes of dbms in details

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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

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Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pictori

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What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.

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Column Constraints: NOT NULL, UNIQUE, CHECK, PRIMARY KEY, DEFAULT, REFERENCES, On  delete  Cascade :  Using  this  key  whenever  a  parent  row  is  removed  in  a referenced

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Which two files are used during operation of the DBMS? Data dictionary and transaction log are two files used during operation of the DBMS.

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Describe the four main ways of optimising disk block access. Ans: a. Disk  b. Non-volatile writes buffers c. File organization (Clustering) d. Log-based file system

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Explain the conventions (relationships) for displaying an ER schema as an ER diagram.

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What is foreign key? Foreign Key - Let there are two relations in tables R and S. Any candidate key of the relation R that is referred in the relation S is known as the forei

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