Explain about the analyze command in oracle?
Difference between cartesian join and cross join?
Point the difference between translate and replace?
What are the major difference between truncate and delete?
What is a sub query? Describe its types?
What is the difference between count (*), count (expression), count (distinct expression)?
Point out the difference between user tables and data dictionary?
What do you mean by merge in oracle and how can you merge two tables?
Difference between the “verify” and “feedback” command?
What do you mean by merge in oracle?
Describe an oracle table?
What are the differences between primary key and unique key?
What is the difference between substr and instr?
Describe varray?
How can you merge two tables in oracle?