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Sunday, April 24, 2016
Find out the nth-highest salary from table
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select * from ( select sal , rank () over ( order by sal DESC / ASC ) rnk from emp ) where rnk = 1 / 2 / 3 / 4 / ...
Tuesday, April 19, 2016
Learn Oracle with me
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Oracle developer Yasser.hassan@yandex.com
Sunday, January 31, 2016
Oracle select primary key name
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Dear my readers here I present example for how to select the primary key name which existing inside the table user_constraints select c...
Monday, December 28, 2015
Oracle select all functions, procedures, packages
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To select all functions, procedures, packages SELECT * FROM ALL_OBJECTS WHERE OBJECT_TYPE IN ( 'FUNCTION' , 'PROCEDURE...
Sunday, November 22, 2015
Oracle SQL Course
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Oracle SQL course all levels 900 L.e email me on yasser.hassan@yandex.com best wishes
Thursday, November 19, 2015
Oracle Developer Course
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Oracle Developer Course from beginner till professional level start from 100$ for level email me yasser.hassan@yandex.com
Friday, October 30, 2015
Exception Handling
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Exception Handling. General Syntax for coding the exception section DECLARE Declaration section BEGIN Exception section EX...
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