Why do we use non clustered index?

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List the various tools available for performance tuning?

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Difference between report and query parameter.

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This question asked during interview, 2) At the end of each month, a new table is created for each bank that contains monthly metrics consolidated at the account level. The table naming convention is bankX_YYYYMM where X represents the numeric designation of the bank and YYYYMM indicates the 4 digit year and 2 digit month. The tables contain the following fields: name data type description account text account number registered boolean indicates whether the account is registered num_trans integer number of transactions made during the time period spend numeric(9,2) total spend during the time period a) Write a SQL query that will display the total number of transactions and total spend for "Bank1" during the 4th quarter of 2009. b) Write a SQL query that will display the total number of transactions and total spend at "Bank1" and "Bank2", broken out by registered vs. non-registered accounts, during January 2010 not sure what is correct answer and how to solve?

0 Answers   TCS,

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explain different levels of normalization? : Sql server database administration

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is it possible to use a variable in a query with the IN clause (a,b,c..z), without getting quotes or conversion errors?

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how many type of subquery?

2 Answers  

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What is triggers in ms sql server?

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What is the significance of null value and why should we avoid permitting null values?

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What is oltp (online transaction processing)?

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What is Replication?

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What are tasks?

3 Answers   Wipro,

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