What is string join?
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how i do the database testing of online money transactions between two parties (client and organization). suppose our company makes a website for our client and give a extra feature of online money transaction with there clients then how i test this feature in database testing
How many null values can be inserted in a coulmn whihc is unique constraint
Why do you partition data?
What are all the different normalizations?
What are two virtual tables available during database trigger execution ?
Why do we use view in sql?
how will i became good database developer?
Can one improve the performance of sql*loader? : aql loader
What is the use of primary key?
what will be the output: select 1 from emp union all select 2 from emp;
What is a composite primary key?
Explain the purpose of %type and %rowtype data types with the example?
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