What is a table index in oracle?
 How to use an oracle sequence generator in a mapping?
What is Parallel Server ?
waht is referencial integrity?
what is the syntax of update command?
What is difference between truncate and delete?
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??
Will you be able to store pictures in the database?explain.
What is the use of Redo Log Information ?
What is RULE-based approach to optimization ?
What is archive log in Oracle?
What are the sql clauses supported in the link property sheet ?
What is tns service name?