What are the different stages in 'data warehousing'?

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What will be the maximum size of an extent of a segment if the tablepac's default storage values are specified as (initial 8K next 16k minextent 4 pctincrease 100).Explain.

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What is a checkpoint in dbms and when does it occur?

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What is " group by " clause?

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What is database management system explain?

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What is rdbms architecture?

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IF Statements BLOCK 1 . IF a >= b THEN do_this …..; ELSE do_that….; END IF BLOCK 2 . IF a < b THEN do_that …..; ELSE do_this….; END IF; • Given any pair of non-NULL values for “a” and”b”, will Block 1 and Block 2 do the same thing? • What if either “a” or”b” (or both) is NULL?

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What are the advantages and disadvantages of views in the database?

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What is use of foreign key?

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What is the use of PARFILE option in EXP command ?

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which is the best institute to learn Oracle DBA 10g/11g, please advise, someone?

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Enlist ways to efficiently code transactions.

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