Microsoft MCSA 70-761 Exam Dumps, 70-761 Practice Test Questions & Answers

Manage data with Transact-SQL (40–45%)

Create Transact-SQL SELECT queries

Identify proper SELECT query structure, write specific queries to satisfy business requirements, construct results from multiple queries using set operators, distinguish between UNION and UNION ALL behavior, identify the query that would return expected results based on provided table structure and/or data

Ø  Query multiple tables by using joins

 Write queries with join statements based on provided tables, data, and requirements; determine proper usage of INNER JOIN, LEFT/RIGHT/FULL OUTER JOIN, and CROSS JOIN; construct multiple JOIN operators using AND and OR; determine the correct results when presented with multi-table SELECT statements and source data; write queries with NULLs on joins

Ø  Implement functions and aggregate data

Construct queries using scalar-valued and table-valued functions; identify the impact of function usage to query performance and WHERE clause sargability; identify the differences between deterministic and non-deterministic functions; use built-in aggregate functions; use arithmetic functions, date-related functions, and system functions

Ø  Modify data

Write INSERT, UPDATE, and DELETE statements; determine which statements can be used to load data to a table based on its structure and constraints; construct Data Manipulation Language (DML) statements using the OUTPUT statement; determine the results of Data Definition Language (DDL) statements on supplied tables and data

Query data with advanced Transact-SQL components (30–35%)

Query data by using subqueries and APPLY

Determine the results of queries using subqueries and table joins, evaluate performance differences between table joins and correlated subqueries based on provided data and query plans, distinguish between the use of CROSS APPLY and OUTER APPLY, write APPLY statements that return a given data set based on supplied data

Query data by using table expressions

Identify basic components of table expressions, define usage differences between table expressions and temporary tables, construct recursive table expressions to meet business requirements

Ø  Group and pivot data by using queries

Use  windowing functions to group and rank the results of a query; distinguish between using windowing functions and GROUP BY; construct complex GROUP BY clauses using GROUPING SETS, and CUBE; construct PIVOT and UNPIVOT statements to return desired results based on supplied data; determine the impact of NULL values in PIVOT and UNPIVOT queries

Query temporal data and non-relational data

Query historic data by using temporal tables, query and output JSON data, query and output XML data

Program databases by using Transact-SQL (25–30%)

  Create database programmability objects by using Transact-SQL

Create stored procedures, table-valued and scalar-valued user-defined functions, and views; implement input and output parameters in stored procedures; identify whether to use scalar-valued or table-valued functions; distinguish between deterministic and non-deterministic functions; create indexed  views

Implement error handling and transactions

Ø  Implement data types and NULLs

 Evaluate results of data type conversions, determine proper data types for given data elements or table columns, identify locations of implicit data type conversions in queries, determine the correct results of joins and functions in the presence of NULL values, identify proper usage of ISNULL and COALESCE functions

Preparation options

Who should take this exam?

This exam is intended for SQL Server database administrators, system engineers, and developers with two or more years of experience who are seeking to validate their skills and knowledge in writing queries.

More information about exams

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CBT Nuggets Announces New Microsoft MCSA SQL Server 2016 70-761 Course

Garth Schulte’s New Course Shows You How To Manage Data, Query Data, And Program Databases With Transact-SQL.

CBT Nuggets announces the release of a new online video training course, Microsoft MCSA SQL Server 2016 70-761.

The 34-video, intermediate-level course covers Microsoft SQL Server 2016 and teaches learners how to manage data, query data, and program databases with Transact-SQL. CBT Nuggets trainer Garth Schulte helps prepare learners for Microsoft's 70-761 exam with in a hands-on virtual lab environment.

Microsoft's 70-761 exam is the first of two exams that must be passed to obtain the MCSA: SQL 2016 Database Development certification, which succeeds learners to become a database administrator.

“SQL Server will empower IT pros to demand, accomplish, and defend all of the valued data companies rely on to drive their business forward,” Schulte said.

Garth Schulte brings 20 years of experience to his teaching and has mastered the development of virtual lab learning experiences. He holds a variety of certifications including Google Developer Expert, Google Certified Trainer, Microsoft MCSD, MCSD.NET, MCDBA, and MCSA. Schulte has been a CBT Nuggets trainer since 2002.

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Question No : 1
Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series. Information and details provided in a question apply only to that question.
You create a table named Customers. Data stored in the table must be exchanged between web pages and web servers by using AJAX calls that use REST endpoint. You need to return all customer information by using a data exchange format that is text- based and lightweight. Which Transact-SQL statement should you run?

A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
F. Option F
G. Option G
H. Option H

Answer: C
Explanation :
JSON can be used to pass AJAX updates between the client and the server. Export data from SQL Server as JSON, or format query results as JSON, by adding the FOR JSON clause to a SELECT statement. When you use the FOR JSON clause, you can specify the structure of the output explicitly, or let the structure of the SELECT statement determine the output.
References: https://msdn.microsoft.com/en-us/library/dn921882.aspx

Question No : 2

Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series. Information and details provided in a question apply only to that question.
You create a table by running the following Transact-SQL statement:

You need to audit all customer data. 
Which Transact-SQL statement should you run? 

A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
F. Option F
G. Option G
H. Option G

Answer: B
Explanation : 
The FOR SYSTEM_TIME ALL clause returns all the row versions from both the Temporal and History table.
Note: A system-versioned temporal table defined through is a new type of user table in SQL Server 2016, here defined on the last line WITH (SYSTEM_VERSIONING = ON..., is designed to keep a full history of data changes and allow easy point in time analysis.
To query temporal data, the SELECT statement FROM<table> clause has a new clause FOR SYSTEM_TIME with five temporal-specific sub-clauses to query data across the current and history tables.
References: https://msdn.microsoft.com/en-us/library/dn935015.aspx

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Question No : 3

You have a database that stored information about servers and application errors. The database contains the following tables

Servers

Errors

You need to return all error log messages and the server where the error occurs most often.
Which Transact-SQL statement should you run?

A. Option A

B. Option B

C. Option C

D. Option D

Answer: C

Question No : 4

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution. After you answer a question in this section. you will NOT be able to return to it. As a result, these questions will not appear in the review screen.

You create a table named Customer by running the following Transact-SQL statement:

You must insert the following data into the Customer table:

You need to ensure that both records are inserted or neither record is inserted.

Solution: You run the following Transact-SQL statement:

Does the solution meet the goal?

A. Yes

B. No

Answer: A

Explanation : 

With the INSERT INTO..VALUES statement we can insert both values with just one statement. This ensures that both records or neither is inserted.

References: https://msdn.microsoft.com/en-us/library/ms174335.aspx

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Question No : 5

You have a database that contains the following tables:

Customer

Customer Audit

Where the value of the CustomerID column equals 3, you need to update the value of the CreditLimit column to 1000 for the customer. You must ensure that the change to the record in the Customer table is recorded on the CustomerAudit table.

Which Transact-SQL statement should you run?

A. Option A

B. Option B

C. Option C

D. Option D

Answer: D

Explanation :

The OUTPUT Clause returns information from, or expressions based on, each row affected by an INSERT, UPDATE, DELETE, or MERGE statement. These results can be returned to the processing application for use in such things as confirmation messages, archiving, and other such application requirements. The results can also be inserted into a table or table variable. Additionally, you can capture the results of an OUTPUT clause in a nested INSERT, UPDATE, DELETE, or MERGE statement, and insert those results into a target table or view.

Note: If the column modified by the .RITE clause is referenced in an OUTPUT clause, the complete value of the column, either the before image in deleted.column_name or the after image in inserted.column_name, is returned to the specified column in the table variable.

Question No  : 6

Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series. Information and details provided in a question apply only to that question. 

You have a database that is denormalized. Users make frequent changes to data in a primary table.  You need to ensure that users cannot change the tables directly, and that changes made to the primary table also update any related tables.What should you implement?

A. the COALESCE function

B. a view

C. a table-valued function

D. the TRY_PARSE function

E. a stored procedure

F. the ISNULL function

G. a scalar function

H. the TRY_CONVERT function

Answer: B

Explanation :

Using an Indexed View would allow you to keep your base data in properly normalized tables and maintain data-integrity while giving you the denormalized "view" of that data.

References: http://stackoverflow.com/questions/4789091/updating-redundant- denormalized-dataautomatically-in-sql-server

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Question No : 7

Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series. Information and details provided in a question apply only to that question.

You create a table by running the following Transact-SQL statement:

You are developing a report that displays customer information. The report must contain a grand total column. You need to write a query that returns the data for the report. Which Transact-SQL statement should you run?

A. Option A

B. Option B

C. Option C

D. Option D

E. Option E

F. Option F

G. Option G

H. Option H

Answer: E

Reference:

Calculate aggregate column through AVG function and GROUP BY clause.

Question No : 8

You have a database named MyDb. You run the following Transact-SQL statements:

A value of 1 in the IsActive column indicates that a user is active. You need to create a count for active users in each role. If a role has no active users. you must display a zero as the active users count. Which Transact-SQL statement should you run?

A. Option A

B. Option B

C. Option C

D. Option D

Answer: C

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Question No : 9

Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series. Information and details provided in a question apply only to that question.

You have a database that contains tables named Customer_CRMSystem and Customer_HRSystem. Both tables use the following structure:

The tables include the following records:

Customer_CRMSystem

Customer_HRSystem

Records that contain null values for CustomerCode can be uniquely identified by CustomerName. You need to display a Cartesian product, combining both tables. Which Transact-SQL statement should you run?

A. Option A

B. Option B

C. Option C

D. Option D

E. Option E

F. Option F

G. Option G

H. Option H

Answer: G

Explanation :

A cross join that does not have a WHERE clause produces the Cartesian product of the tables involved in the join. The size of a Cartesian product result set is the number of rows in the first table multiplied by the number of rows in the second table.

References: https://technet.microsoft.com/en-us/library/ms190690(v=sql.105).aspx

Question No : 10

You need to create an indexed view that requires logic statements to manipulate the data that the view displays. Which two database objects should you use? Each correct answer presents a complete solution.

A. a user-defined table-valued function

B. a CRL function

C. a stored procedure

D. a user-defined scalar function

Answer: A,C

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