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usecase diagram,activity diagraM,SEQUENCE DIAGRAM
The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.
What is system log? What are the entries? Ans: The system log that is generally written on stable storage contains the redundant data required to recover from volatile
Example -GRANT CREATE SESSION TO MCA12; (This command gives system level permission on creating a session - not portable) GRANT SELECT ON EMP TO MCA12; (Object level permi
Ask question #MinimRead Dennis et al. Chapter 6: Minicase 2. Work through it and answer the questions. See the attached example. SequenceDiagram.png Based on the structural mod
What are the three classes of SQL expression? SQL expression consists of three clauses: Select From Where
It defines that the tuple in one relation that refers to another relation must refer to an existing tuple in that relation. This constraint is states on two relations (not essentia
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
What do you mean by Correlated subquery? Subqueries, or nested queries, are used to bring back a set of rows to be used by the parent query. Depending on how the subquery is writ
Can i get help with weka software
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