Explain the difference between a procedure and a function? What do you understand by those terms?

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How to bring a tablespace online?

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What to do if the binary spfile is wrong for the default instance?

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what is the use of composite key constraint?

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Can Multiple instances be run on Single Machine???

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What is the effect of setting the value of OPTIMIZER_MODE to 'RULE' ?

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What is an Index ?

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What are advantages fo Stored Procedures?

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I have two tables : COuntry,city I want all the cities in each country.Question on Cross Join.

3 Answers   Microsoft,

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How to calculate date and time differences in oracle?

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normally database take to refresh time 2 hours. but client asked iwant to refresh with in 5 min that same database. do you have any option in BO and Oracle? explain me briefly...kavi

0 Answers   iFlex,

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Please explain me all types of Data models. Also give me the details if each model can have other name.for example:schematic data model is also known as conceptual data model and entity relation data model.

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