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Wednesday, July 10, 2013

How to get the last N number lines in terminal?

The following command will give the last N(int) number lines in terminal, which is scroll-able:









AUTHOR: OBSCURE
Posted by shibli05 at 1:38 PM No comments:
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Labels: console, Linux, terminal

Listing only directories in terminal







AUTHOR: OBSCURE
Posted by shibli05 at 1:04 PM No comments:
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Labels: console, Linux, terminal

Thursday, July 4, 2013

How to find duplicate values, and occurrences count in Oracle Database?

the easiest SQL query which will return the duplicate value and count for a given column is as follows:




















AUTHOR: OBSCURE
Posted by shibli05 at 1:29 PM No comments:
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Labels: count, database, dbms, duplicate, sql
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