Explain the difference between COUNT_STAR and COUNT functions in Apache Pig?

501

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What do you understand by an event emitter in node.js?

237

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How do I know if mysql is running on windows?

478

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You are going to take some performance measurements for your current project. You know that PV = 450, AC = 500, and EV = 375. What is the CV and SV respectively? A. CV = 125, and SV = 75 B. CV=-75, and SV=-125 C. CV = 75, and SV = 125 D. CV=-125, and SV=-75

707

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what will happen if the prime mover on the field excitation of the on-coming generator fails?Explain.

5013

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What is gang scheduling in operating system (os)?

595

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What is array and its types in data structure?

499

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What is ‘object spy’ and what is the function of object spy in qtp?

571

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how do u compile rpgle program?

622

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How do you use shortcut keys in powerpoint?

105

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What does chkdsk do?

438

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What is system-land-scape of your project?

571

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From health and safety point what are things to be taken care while warehouse transportation?

472

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What is flask (__ name __)?

422

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What is the long tail keywords?

472

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