What are the uses of a database trigger?
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What is the order of defining local variables and sub procedures/functions?
What is the difference between RBBMS & DBMS?
how to select second mauximum value in a given table under salary column
What is an oracle table?
What is merge in oracle?
How to concatenate two text values in oracle?
you are sorting a table using "order by"(descending) clause of a column which contains a null value...whether that row containing null value will come first or last in the output??
What is Hash Index?
how to genarate random numbers in oracle for particular row?
What happens to the current transaction if a ddl statement is executed?
Define the terms primary key foreign key and also the difference between primary and the unique key
Whatz the main diff between Subquery and a Join
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