How raid can influence database performance?

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Table student containing 2 columns,Join date,Employee name. Under join date 4 rows r ter =1-jan-2008,2-feb-2008,3-mar- 2008,4-feb-2008.Under Employee name 4 difeerent names jaison,robin,binoy,rahul Result set is, Table containing 4-column name=jan,feb,mar,april,,beneath these months count is given as 1,2,1,0 means these counts representing number of emplooyees joined in a month(january 1employee,february 2 employee,march 1 employee,april 0 employee) Can you give me the required sql query

3 Answers   RND Soft, Wipro,

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What are the new features in sql server 2016?

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What is single-user mode?

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If I delete a template from the list in sql studio, will it be deleted from the hard disk? : sql server management studio

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can we give the identity for existing column of the table? (already table contains 10(1-10) unique randam records)

2 Answers  

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What are trace flags?

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is it important for a database administrator to understand the operating system and file access? : Sql server administration

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Give main differences between "Truncate" and "Delete".

0 Answers   HCL,

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Tell me the difference between clustered and non-clustered index?

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What do you understand by check constraint in sql server?

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How do I create a stored procedure in dbml?

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