What is connection pool in oracle?
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What do you know about normalization? Explain in detail?
what are the database links ?
What is a package ? What are the advantages of package ?
i have procedure p1.and also i declare the same procedure in a package. whice one is efficient package procedure or procedure?
How to bring a tablespace offline?
what is mean by prmary key and foreign key and how can we diffrentiate that? Please answer me. Advance thanks.
What are the differences between char and varchar2 in oracle?
What do you mean by group by clause?
If a table column has is UNIQUE and has NOT NULL, is it equivalent to a PRIMARY KEY column?
what is the difference between joins and set operators.i am always confusing with two,can u pls kindly help me .
Select all the employees who were hired in last 2 years and who works in dept where max managers are working.
What is varray?