State and explain about oracle instance?
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Can sub procedure/function be called recursively?
What is the cache hit ratio, what impact does it have on performance of an Oracle database and what is involved in tuning it?
What happens to the current transaction if a ddl statement is executed?
How do I call oracle stored procedures that take no parameters?
Is there any function in oracle similar like group_concat of mysql?
What is the Extension of Oracle Database? As extension of Access Database is .mdb
What is a Synonym ?
How to run the anonymous block again?
Differentiate between pre-select and pre-query?
What is the difference between SQL, DDL, and DML?
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What is tns name?
What should be the return type for a cursor variable.Can we use a scalar data type as return type?