What is the usage of nvl function?
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How many triggers can be implemented for a table?
What does (*) mean in sql?
using comand prompt how can import table data and table space with example
What is the diffrence between IN and EXISTS.which one is faster.
Hi all, i have a table as follows empid empname mgrid deptid 1 a 3 4 2 b 1 5 3 c 2 3 4 d 3 6 5 e 4 7 i want the output as empname mgrname a c b a c b d c e d
What is the use of partition by in sql?
What is the difference between mdf and ndf files?
What is a behavioral trigger?
Explain the commit statement.
What are % type and % rowtype?
How to get second highest salary from a table
define sql delete statement ? : Sql dba
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