What are the instances when triggers are appropriate?

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Explain what is raid and what are different types of raid levels?

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I have cleared sbi clerk examination. I am Bachelor in computer application (BCA) graduate. so which type of question related bca in sbi clerk interviews. pls answers me at sejalvaghela@yahoo.co.in.. and also tell me which type of question asked in sbi clerk interview.

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What's the difference between a primary key and a unique key?

10 Answers   Wipro,

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how to write test cases for testing databases,especially for testing and writing test cases for stored procedures.any real time database testers.please answer me.

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What you can do to delete a table without the delete trigger firing?

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sql server has its default date format in da form "yy-mm-dd" its possible to convert da current date format of sql server to desired format. Now my question is dat how to get da previous and comin days date in my desired format??

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How do you find the error, how can you know the number of rows effected by last SQL statement?

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How to make a column nullable?

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Explain identity in sql server?

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You accidentally delete the msdb database what effect does this have on your existing sql databases, and how do you recover?

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What is a primary index?

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