Why do we need view in sql?

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Is microsoft sql free?

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What is sql and also describe types of sql statements?

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How is sql used in oracle?

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What is parallel hint?

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Does sql use python?

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How write primary and foreign key relationship between two tables without using constraints? u can use any of procedure/function/trigger and any sql?

1 Answers   Parexel,

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What are the features of pl sql?

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What is cross join example?

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Is left join and outer join same?

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What is cte?

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mail-id table contains two columns(email_id,userid) it contains different types of mail-ids,and no of users. here username length is differ na,(ex- tamil@yahoo.com,joshua@hotmail.com like) now i want to fetch the email-ids only starting from '@' (ex-@gmail.com,@yahoo.com,@hotmail.com

5 Answers  

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