- (Topic 1) John works as a Web developer for HiTech Inc. He develops an application named MyApp by using Visual C# .NET. John uses a SQL Server database. He writes the following code: OleDbCommand cmd = new OleDbCommand(); cmd.CommandText = "UPDATE Employees SET Rank = 'Senior' WHERE Basic 10000"; cmd.ExecuteNonQuery(); Now he wants to improve the performance of the program code. Which of the following actions will he perform to accomplish the task? Each correct answer represents a complete solution. Choose all that apply.

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- (Topic 1) John works as a Web developer for HiTech Inc. He develops an application named MyApp by using Visual C# .NET. John uses a SQL Server database. He writes the following code: OleDbCommand cmd = new OleDbCommand(); cmd.CommandText = "UPDATE Employees SET Rank = 'Senior' WHERE Basic > 10000"; cmd.ExecuteNonQuery(); Now he wants to improve the performance of the program code. Which of the following actions will he perform to accomplish the task? Each correct answer represents a complete solution. Choose all that apply.

Accepted Answer

D. Use a SqlCommand object instead of an OleDbCommand object. E. Use a stored procedure instead of the CommandText property.

Answer

A. Use database indexing.

Answer

B. Use an OleDbDataReader object to execute the program code.

Answer

C. Use a Cache object to execute the program code.

Answer

F. Use the Prepare method on the OleDbCommand object before executing the program

(Topic 1) John works as a Web developer for HiTech Inc. He develops an application named MyApp by using Visual C# .NET. John uses a SQL Server database. He writes the following code: OleDbCommand…

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