State and explain about oracle instance?
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How would you extract DDL of a table without using a GUI tool?
select to_char('10','10') from dual This gives me an error oRA-1481 INVALID NUMBER FORMAT MODEL why? pls help
Can a formula column be obtained through a select statement ?
Explain the use of ignore option in imp command.
what is the difference between rollback & commit? can a foreign key has null value?
what are different types of locks?
What is oracle data type?
How to assign query results to variables?
How you open and close a cursor variable.Why it is required?
How to start a specific oracle instance?
what is the need of indexing topic in oracle? where do we use in a Java project? any other option other than using this to get the same result where we use indexing ?
Explain the use of owner option in exp command.