SQL exam 70-461 questions and answers part 6

MS-SQL exam 70-461 questions and answers dumps

QUESTION 61

As part of a new enterprise project, you're designing a new table to store financial transactions. This table could eventually store millions of rows and so storage space is very important.

One of the columns in the table will store either a 1 or 0 value.

Which data type would be most appropriate?

A. bit
B. tinyint
C. numeric
D. float

QUESTION 62

You are developing a database that will contain price information. You need to store the prices that include a fixed precision and a scale of six digits. Which data type should you use?

A. Float

B. Money

C. Smallmoney

D. Numeric

Correct Answer:  

QUESTION 63
which of the following conversions is NOT allowed either implicitly or explicitly using CONVERT OR CAST?

A. varchar to decimal
B. decimal to bit
C. date to varchar
D. datetime to text

QUESTION 64

Your manager has asked you to design a new table and enforce rules for the type of information that can be stored in a particular column. The information must match a particular pattern e.g. a number between 1 and 7. This checking must be performed during insert or update operations.
Which parameter should you use when you create the column?

A. CHECK
B. DEFAULT
C. Foreign Key
D. Primary Key

Answer: A

QUESTION 65

Complete the missing word below:

A ___ is a special kind of stored procedure that executes automatically when a user attempts the specified data-modification statement on the specified table.

A. Constraint
B. DLL
C. View
D. Trigger

Answer: 

QUESTION 66

You administer a Microsoft SQL Server 2012 database that contains a table named OrderDetail. You discover that the NCI_OrderDetail_CustomerID non-clustered index is fragmented. You need to reduce fragmentation. You need to achieve this goal without taking the index offline.
Which Transact-SQL batch should you use?

A. CREATE INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID WITH DROP

EXISTING

B. ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID REORGANIZE

C. ALTER INDEX ALL ON OrderDetail REBUILD

D. ALTER INDEX NCI_OrderDetail_CustomerID ON OrderDetail.CustomerID REBUILD

Correct Answer:  

QUESTION 67

Your manager has asked you to check the index stats for a particular table called Address. You have executed the following query (see below) and it reported that the avg_fragmentation_in_percent is 15%. What should you do?

SELECT * FROM sys.dm_db_index_physical_stats (DB_ID(N'Test'), OBJECT_ID(N'Address'), NULL, NULL , 'DETAILED');

A. Run ALTER INDEX REBUILD WITH (ONLINE = ON)
B. Run ALTER INDEX REORGANIZE
C. Rebuild the table
D. Nothing, the index fragmentation is at a safe level

Answer:  

QUESTION 68

You need to write a new query that will return names from the employee table for people who are not part of the contractors table (the two tables share a unique id, similar to social security or NI number). Your query will use a sub query to check that the employee is not in the contractors table. How might you achieve this?

A. Use COALESCE
B. Use EXISTS
C. Use IS_MEMBER
D. Use EXP

Answer:  

QUESTION 69
You need to delete a stored procedure from the SQL Server 2012 database. The stored procedure is called MyProc. Which statement below is correct?

A. drop MyProc
B. delete procedure MyProc
C. delete MyProc
D. drop procedure MyProc

Answer:  

QUESTION 70

As part of a new HR project you're creating several stored procedures that will add logging information to the logs table. This logging information is very detailed and should contain carriage returns to make paragraphs more readable. How can you add carriage returns to text when inserting into a table?

A. Use CASE
B. Use CHAR
C. Use TEXTPTR
D. Use COS

Answer: B

61	62	63	64	65	66	67	68	69	70
A	D	D	A	D	B	B	B	D	B

QUESTION 71
SQL Server 2012 uses the standard four-part naming convention when referencing database objects. Which of the following is the correct example of the four-part naming?

A. server_name.schema_name.database_name.object_name
B. schema_name.object_name.server_name.database_name
C. object_name.server_name.schema_name.database_name
D. server_name.database_name.schema_name.object_name

Answer:

QUESTION 72

You're designing a new SQL Server 2012 query for the HR department. The query will find records from the persons table for people whose name starts with 'Ja'.
Which WHERE statement would be the correct choice?

A. where (name like 'Ja%')
B. where (name = 'Ja%')
C. where (name > 'Ja')
D. where (name like '%Ja%')

Answer:

QUESTION 73

You've created a standard stored procedure that's not a CLR procedure. This procedure has several parameters, some of which are output parameters.

Which of the following CANNOT be passed back as an output parameter from a stored procedure?

A. Text
B. image
C. Ntext
D. Any of these

Answer:

QUESTION 74

You're designing a new SQL Server 2012 table that will hold millions of records. The table will be used by a finance application to show historical transactions. The table only has 10 columns but it's vital that the table performs well.

How many primary keys should you create for the table for best performance?

A. 2
B. 10
C. 3
D. 1

Answer:

QUESTION 75

Your manager has asked you to design a new table and enforce rules for the type of information that can be stored in a particular column. The information must match a particular pattern e.g. a number between 1 and 7. This checking must be performed during insert or update operations. Which parameter should you use when you create the column?

A. CHECK
B. DEFAULT
C. Foreign Key
D. Primary Key

Answer:

QUESTION 76

What is missing from the T-SQL statement below for creating and using a cursor?

DECLARE mycursor CURSOR FOR SELECT * FROM Vendor FETCH NEXT FROM mycursor;

A. KEYSET
B. OPEN
C. STATIC
D. SCROLL

Answer

QUESTION 77

Which of the following is an example of a scalar subquery?

A. select max(price) from products
B. select sum(price) from products
C. select min(price) from products
D. All of these

Answer:

QUESTION 78

If you use the BEGIN TRANSACTION statement, then execute 2 insert statements and 2 delete statements what will happen if you execute ROLLBACK TRANSACTION?

A. Only the INSERT statements will be rolled back
B. All of the INSERTS and DELETES will be rolled back
C. Only the last INSERT and last DELETE statement will be rolled back
D. Only the DELETE statements will be rolled back

Answer:  

QUESTION 79

You're designing a new table that will hold information about medical records. Another table called documents contains a foreign key that references this table. To make sure information is cleaned up when a delete operation is performed, you've added an ON DELETE CASCADE statement to the foreign key relationship.

What will happen when a row is deleted from the medical records table?

A. Corresponding rows in the referenced table (documents) will be deleted
B. All the values that make up the foreign key are set to NULL in the documents table
C. All the values that comprise the foreign key are set to their default values in the documents table
D. Rows are deleted from the medical records table but the documents table is unchanged

Answer:  

QUESTION 80

What is wrong with the T-SQL batch statement below:

@find varchar(30);
SET @find = 'Man';
SELECT LastName FROM Person WHERE LastName = @find;

A. You can't use the @find parameter in a query
B. DECLARE is missing
C. Nothing, it's fine
D. You should use SELECT instead of SET

Answers

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D	A	D	D	A	B	D	B	A	B