What is the order of defining local variables and sub procedures/functions?
What is Data Block ?
How many anonymous blocks can be defined?
What is a package ? What are the advantages of package ?
Difference between primary key and unique key ?
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Explain alias?
How to write text literals in oracle?
nw i'm doing MBA system and planning to do oracle,database management.tell me that whether it is useful r not?.refer any course for my carrier pls
What do you know about normalization? Explain in detail?
What is the difference between truncate & delete command?
Will you be able to store pictures in the database?explain.
What is an external table?
What is the difference between a hot backup and a cold backup in oracle?