Sunday, September 25, 2011

Query transactions by date

You work for a supermarket that uses a SQL Server database to store line items from point of sales (POS) transactions. The POS processes 150,000 transactions every day. The application requires a clustered index on the TransactionID column. You need to create a table that supports an efficient reporting solution that queries the transactions by date.
What will you do to achieve this goal?

A. Place a nonclustered index on the date column.
B. Add a unique clustered index on the date column.
C. Map each partition to a filegroup, with each filegroup accessing a different physical drive.
D. Create a partitioning scheme that partitions the data by date.
E. Both A and D
F. None

Answer: [E]
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