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Monday, 1 August 2016

Application Developer must know SQL

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Changing the password of  user --------------------------------------   Navigate to path  C:\oraclexe\app\oracle\product\11.2.0\server\bi...
Saturday, 20 February 2016

REST Vs SOAP

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' Unless you have a definitive reason to use SOAP use REST' REST :  REST is sweat spot when you are exposing the public API ove...
Friday, 19 February 2016

Java Memory Structure

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JVM memory areas / components     - Heap area       Objects and array stored       Created when JVM started  define fix size or vary bet...
Saturday, 6 February 2016

Count(1) Vs Count(*) Vs Count(experession) in Oracle.

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1. Number of Records:    The count(1)  and count(*)  returns same number of records, as its return the number rows in the table    inclu...

IN Vs EXIST and NOT IN VS NOT EXIST in oracle

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1. IN condition Vs EXIST   condition ========================== 1.Use IN with list of sub-query (Where servey_date  in ('20015',...
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