Answer Posted / jai

UNIQUE key is a constraint which can be applied on a data
base table column for uniquely identifying the values in
that column but the column can contain NULL values.

without duplicates but with NULL values

Can you tell me how to add new column in existing views?how?How is possible?

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How remove data files before opening a database?

997

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What would you do with an in-doubt distributed transaction?

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Please explain oracle data types with examples?

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How to see the table columns used in an index?

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what is the use of triggers in Java program? I mean where do we use triggers in Java programming?

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How do I know if oracle is installed on windows?

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What is the difference between $oracle_base and $oracle_home?

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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 ?

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what is a Nested Loop join?

2039

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What are the ansi data types supported in oracle?

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Can we use oracle pl/sql block in core java? if so how? pls get back to me .....

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Explain a synonym?

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What do you mean by group by clause?

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In SAP ECC 6.0 , under DB02 tcode , Tablespace name to be explain stepy step all the col

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