Explain self joins in oracle?
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Can u make a synonym for deptno=10 only from emp table.
What is hot backup and logical backup?
how can we write trigger in trigger???????? can we write one trigger on two table???
Difference between hot backup vs. Cold backup?
I have query like this. select dept_id, max_mark from stude_dept where min_mark= (select min(mini_mark) from stud_dept); How can i optimize this query. Can anyone help me with it
How to convert characters to times in oracle?
Explain mutating triggers.
which language is used to develop the oracle........?
select * from emp what happened internally when we write this query in the sql prompt?
What are the four Oracle system processes that must always be up and running for the database to be useable?
What is the effect of setting the 'RULE' for OPTIMIER_GOAL parameter of the ALTER SESSION Command ?
What is the cache hit ratio, what impact does it have on performance of an Oracle database and what is involved in tuning it?