What are transaction isolation levels supported by oracle?
No Answer is Posted For this Question
Be the First to Post Answer
When do we use group by clause in a sql query?
What is oracle host variable?
what is mean by prmary key and foreign key and how can we diffrentiate that? Please answer me. Advance thanks.
When does a Transaction end ?
How to work with data objects interactively?
How many anonymous blocks can be defined?
You have 4 instances running on the same UNIX box. How can you determine which shared memory and semaphores are associated with which instance?
What do you understand by a database object?
how the Oracle Prepares the Execution Plan and how it chooses the Optimal one?
What is hot backup and logical backup?
How can we view last record added to a table?
why dont we assign not null constraint as table level constraint.