Why does oracle 9i treat an empty string as null?

758

How to import one table back from a dump file?

812

What are data pump export and import modes?

837

What is an Oracle Instance?

900

How to convert numbers to characters in oracle?

803

1) Does oracle have any table which contain all the exceptions and it's code internally?

1522

In XIR2 if we lost the administration password .How can we regain the password?thanks in advance.

1678

How do I limit the number of rows returned by an oracle query after ordering?

902

How do you increase the OS limitation for open files (LINUX and/or Solaris)?

1710

What do you mean by cdb and pdb in oracle 12c?

846

Explain what are the characteristics of data files?

833

Give the different types of rollback segments.

814

What is the difference between a hot backup and a cold backup in oracle?

790

What is a select query statement in oracle?

730

What is set operator oracle?

736