Is there any performance difference between if exists (select null from table) and if exists (select 1 from table)?

1065

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how many languages do you know?

1249

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Have you learned any new math tactics or shortcuts with your job?

1308

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What does $_files means?

1195

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Any idea of BSNL, JTO paper?

2178

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Can anyone please provide me atleast two Support Tickets of SAP FICO?

3152

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can any body give me any website for getting help on mainframe projectts in banking domain.

2213

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How to remove duplicate rows from table except one?

1120

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Name top 10 bi tools?

86

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how to generate the test data in sas without input data? : Sas-administrator

1255

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ssc cgl 2010 may tax assistant ki cut of kya hogi

2669

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please provide me the type of questions or question pattern of bally.

2003

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Explain scd type 3 through mapping.

1125

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Give us your family background?

1280

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If sum one has HAL placement paper plz mail me ,I m Chemical Engg.my id is er.kotnala@gmail.com

2752

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