What is the difference between varchar and nvarchar datatypes?

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What is dknf in normalization form?

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what is a transaction and what are acid properties? : Sql server database administration

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What is the difference between cartesian product and cross join?

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What is Schema? and why we use schemas?

4 Answers  

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Distinguish between commit and rollback?

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How to display a past time in days, hours and minutes?

0 Answers  

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i have 4 tables.. T1, T2, T3, T4.. these tables have the same structure and they store the information entered in different years.. T1 stored 2002, T2 stored 2003, T3 stored 2004 and T4 stored 2005.. i want to copy contents in T1 to T2, T2 to T3, T3 to T4 and T4 to T1.. how do i do that? Temp tables cannot be used..

4 Answers  

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What happens if null values are involved in bitwise operations?

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What are tasks?

3 Answers   Wipro,

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what are different types of backups available in sql server? Given a particular scenario, how would you go about choosing a backup plan? : Sql server database administration

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Is it possible to delete duplicate rows in a table without using a temporary table ?

12 Answers   TCS,

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