what is "map" and what is "reducer" in Hadoop?

635

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What is the significance of sender & receiver cost elements & cost centers?

1190

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How to create a directory in perl?

1077

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What is the use of backup plugin in jenkins? How to use it?

1

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How do I get my pages to show up on wordpress?

174

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What do you mean by rows and columns?

695

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Under Data Transfer Portion of ABAP, what do you mean by DX Project

2313

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How does the java compiler work?

996

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What is UIL(user interface language)

941

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What do PDO mean?

125

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What is true sine wave or pure sine wave inverter?? Is it sine wave or step wave?? If it is step wave, waves with how much step is considered as pure sine wave? Is it possible to produce pure sinewave using power electronics?

1873

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Name a few data dictionary objects?

1103

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What is the use of infocube in the bw system?

964

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explain about BC UserProperty : AllModeSort Applet User Property : MenuItem

2264

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I want to get or know the interview questions often ETOs are asked .

1029

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