Microsoft
70-451 · Question #94
70-451 Question #94: Real Exam Question with Answer & Explanation
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Question
You are a database developer. You create a database by using SQL Server 2008 in an enterprise environment. The database contains two stored procedures named ModifySales and RetrieveSalesTrend. The ModifySales stored procedure uses a transaction that updates a table named SalesOrders. The RetrieveSalesTrend stored procedure retrieves and aggregates data from the SalesOrders table for a sales trend analysis report. Both stored procedures are executed frequently each day. Users report a considerable wait time while they run the sales trend analysis report. You need to ensure that sales trend analysis report runs as quickly as possible. What should you do?
Options
- AChange the isolation level to SERIALIZABLE for ModifySales.
- BChange the isolation level to READ UNCOMITTED for ModifySales.
- CAdd the NOWAIT hint to the SELECT statement in RetrieveSalesTrend.
- DAdd the NOLOCK hint to the SELECT statements in RetrieveSalesTrend.
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