what is the difference between functional dependecy and
multilevel dependency?
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Explain overloading. Can functions be overloaded?
select trunc(round(156.00,-1),-1) from dual;
how will I find the first 5 highest salaried employees in each dept in oracle.
How to use an explicit cursor without open statements?
How to create lov dynamically at runtime & attach to text field?
How to open a cursor variable?
From the following identify the non schema object: packages, triggers, public synonyms, tables and indexes.
Why is oracle database so popular?
How to call a stored function with parameters?
Define the terms primary key foreign key and also the difference between primary and the unique key
Can multiple columns be used in group by in oracle?
In my table i have 4 columns with 100 records but in that 4 columns one column contains all NULL values so can i add NOT NULL CONSTRAINT on that column......... ok if it is not possible, can i add NOT NULL CONSTRAINT from 101 Record Onwards?