Difference between global and parameter variables?
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Is left join same as join?
What are the disadvantages of not performing database normalization?
Explain the working of primary key?
What are procedures used for?
What are pl sql procedures?
What is exception? What are the types of exceptions?
Can you have more than one key in a database?
What is differance unique key and primary key.
When is the explicit cursor used ?
difference between pl/sql table and normal pl/sql table
Can you skip header records while loading? : aql loader
how to select first 5 records from a table? : Sql dba
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