70-464 Exam
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2021 Aug microsoft sql server 2012 development (70-464) course:
Q41. You have a SQL Azure database. You execute the following code:
The Sales.Customers table will contain 100,000 rows. You expect the FaxNumber column to contain a null value for 70 percent of the rows.
You need to create an index to support Sales.CustomersByFaxNumber. The solution must minimize the disk storage requirements.
Which code segment should you execute?
A. CREATE INDEX IX_Customers ON Customers (FaxNumber) WHERE FaxNumber IS NOT NULL
B. CREATE INDEX IX_Customers ON Customers (FaxNumber) WITH FILLFACTOR=0
C. CREATE INDEX IX_Customers ON Customers (CustomerName) INCLUDE (FaxNumber)
D. CREATE INDEX IX_Customers ON Customers (FaxNumber)
E. CREATE INDEX IX_Customers ON Customers (FaxNumber) WHERE FaxNumber IS NULL
Answer: A
Q42. You need to implement a solution that addresses the upload requirements. Which code segment should you use to implement the Conversions assembly?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: D
Q43. Topic 8)
You plan to create a new table that will contain a column named Salary. Salary will contain highly sensitive data.
Salary must meet the following requirements:
. Contain numeric data.
. Contain only encrypted data that remains encrypted in memory. You need to identify which encryption type and data type must be used for Salary.
Which encryption type and data type should you identity?
To answer, drag the appropriate encryption type and data type to the correct identifier in the answer area.
Answer:
181. You have a table named Table1 that stores customer data.
Each customer has a credit limit that can only be discovered by querying multiple tables.
You need to ensure that the value of the credit limit is returned by executing a query on
Table1.
What should you create?
A. A trigger that uses a ranking function
B. A trigger that uses a table-valued function
C. A calculated column that uses a table-valued function
D. A calculated column that uses a scalar function
Answer: C
Q44. The database contains a disk-based table named ContentTable that has 1 million rows and a column named Fax. Fax allows null values.
You need to update Fax to meet the following requirements:
. Prevent null values from being used.
. Always use an empty string instead of a null value.
Which statement or statements should you execute? (Each correct answer presents part of the solution. Choose all that apply.)
A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
Answer: A,B,E
Explanation: E: First change the NULLs to ' '.
A: Then set the default to the column to ' '.
B: Finally add the NOT NULL constraint to the column.
Q45. You have a SQL Server 2012 database named Database1. Database1 contains a table named OrderDetails.
For a given sales order, you need to retrieve the OrderID, Quantity, and LineTotal columns for all of the items in the OrderDetails table. The solution must ensure that the results can be joined to other tables.
Which code segment should you execute?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
Update exam 70-464 exam dumps:
Q46. You need to modify usp_GetOrdersAndItems to ensure that an order is NOT retrieved by usp_GetOrdersAndItems while the order is being updated.
What should you add to usp_GetOrdersAndItems?
A. Add SET TRANSACTION ISOLATION LEVEL SERIALIZABLE to line 03.
B. Add SET TRANSACTION ISOLATION LEVEL SNAPSHOT to line 03.
C. Add (UPDLOCK) to the end of line 06.
D. Add (READPAST) to the end of line 06.
Answer: D
55. You need to implement a solution that addresses the bulk insert requirements.
What should you add to line 08 in usp_ImportOrderDetails?
A. LASTROW=0.
B. BATCHSIZE=0.
C. BATCHSIZE=1000.
D. LASTROW = 1000.
Answer: C
Q47. You create a table named Customers by using the following code segment:
You create a non-clustered index named IX_Name on the name column.
You write the following query to retrieve all of the customers that have a name that starts with the letters SMI:
You discover that the query performs a table scan. You need to ensure that the query uses the index. What should you do?
A. Replace LEFT(name,3) = 'smi' by using name like 'smi%'
B. Replace LEFT(name,3) = 'smi' by using substring(name,l,3) = 'smi'
C. Recreate IX_Name as a unique index
D. Recreate IX Name as a clustered index
Answer: A
Q48. You need to ensure that usp_AddXMLOrder can be used to validate the XML input from the retailers.
Which parameters should you add to usp_AddXMLOrder on line 04 and line 05? (Each correct answer presents part of the solution. Choose all that apply.)
A. @schema varbinary(100).
B. @items varchar(max).
C. @schema sysname.
D. @items varbinary(max).
E. @items xml.
F. @schema xml.
Answer: C,E
Q49. You create a view by using the following code:
Several months after you create the view, users report that the view has started to return
unexpected results.
You discover that the design of Table2 was modified since you created the view.
You need to ensure that the view returns the correct results.
Which code segment should you run?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: D
Q50. You need to create the object used by the parameter of usp_InsertSessions. Which statement should you use?
A. CREATE XML SCHEMA COLLECTION SessionDataTable
B. CREATE TYPE SessionDataTable AS Table
C. CREATE SCHEMA SessionDataTable
D. CREATE TABLE SessionDataTable
Answer: B