Explain an index?
What are operators in oracle?
What is the difference between pre-select and pre-query?
Explain the difference between sql and oracle?
Are truncate and delete commands same? If so why?
What are the original export and import utilities?
What is truncate oracle?
How can we manage the gap in a primary key column created by a sequence? Ex:a company has empno as primary key generated by a sequence and some employees leaves in between.What is the best way to manage this gap?
What is meant by a deadlock situation?
what are the things that you consider while creating indexes on partitioning tables?
How remove data files before opening a database?
Suppose U install the oracle DB either enterprise edition or express edition in ur personal PC, Is there the Database has been created after ur installation if not then where the oracle's all objects with data be stored?
what is the use of triggers in Java program? I mean where do we use triggers in Java programming?