Welcome to the Data Connectivity MCQs Page

Dive deep into the fascinating world of Data Connectivity with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Connectivity, a crucial aspect of SQL Server. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Connectivity, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within SQL Server.

Check out the MCQs below to embark on an enriching journey through Data Connectivity. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of SQL Server.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Data Connectivity. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Connectivity MCQs | Page 5 of 10

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Performance Tuning and Optimization

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Business Intelligence and Reporting Services

Q41.

LINQ to SQL in SQL Server fully supports ____________

Transactions

Functions

Stored Procedures

All of the mentioned

Discuss

Answer: (d).All of the mentioned

Q42.

Point out the wrong statement.

LINQ to SQL is translated to SQL by way of Binary Trees

LINQ to SQL is translated to SQL calls and executed on the specified database while LINQ to Objects is executed in the local machine memory

LINQ to SQL needs a Data Context object

Discuss

Answer: (a).LINQ to SQL is translated to SQL by way of Binary Trees

Q43.

LINQ to Entities applications requires __________ mapping provider.

DataClient

EntityClient

SqlClient

All of the mentioned

Discuss

Answer: (b).EntityClient

Q44.

The ______ pre-compiler translates embedded SQL into calls to the Oracle runtime library.

Pro*C

ORM

ApexSQL

None of the mentioned

Discuss

Answer: (a).Pro*C

Q45.

Point out the correct statement.

Compared to LINQ to Entities, LINQ to SQL has more limitations

MSL stands for Map Schema Language

If you want to work against a conceptual data model, use LINQ to Entities

Conceptual Data Model feature is present in LINQ to SQL

Discuss

Answer: (c).If you want to work against a conceptual data model, use LINQ to Entities

Q46.

DataContext object is constructed in LINQ to SQL using _____________

NorthwindDataContext db = new malloc NorthwindDataContext();

NorthwindDataContext db = new NorthwindDataContext();

NorthwindDataContext db = new NorthwindData();

None of the mentioned

Discuss

Answer: (b).NorthwindDataContext db = new NorthwindDataContext();

Q47.

Which of the following code will retrieve all products in the Beverages category sorted by product name?

Enumerable<Product> beverages = FROM p IN db.Products
WHERE p.Category.CategoryName == "Beverages"
orderby p.ProductName
SELECT p;

IEnumerable<Product> beverages = FROM p IN db.Products
WHERE p.Category.CategoryName == "Beverages"
orderby p.ProductName
SELECT p;

IEnumerable<Product> beverages = FROM p IN db.Products
WHERE p.Category.CategoryName = "Beverages"
orderby p.ProductName
SELECT p;

All of the mentioned

Discuss

Answer: (b).IEnumerable<Product> beverages = FROM p IN db.Products
WHERE p.Category.CategoryName == "Beverages"
orderby p.ProductName
SELECT p;

Q48.

Which of the following sample code is used to retrieve single row at a time?

public USER GetUser(string userName)
{
DBNameDataContext myDB = NEW DBNameDataContext();
USER USER = myDB.Users.Single(u, u.UserName=>userName);
RETURN USER;
} ?

public USER GetUser(string userName)
{
DBNameDataContext myDB = NEW DBNameDataContext();
USER USER = myDB.Users.One(u, u.UserName=>userName);
RETURN USER;
} ?

public USER GetUser(string userName)
{
DBNameDataContext myDB = NEW DBNameDataContext();
USER USER = myDB.Users.findOne(u, u.UserName=>userName);
RETURN USER;
} ?

All of the mentioned

Discuss

Answer: (a).public USER GetUser(string userName)
{
DBNameDataContext myDB = NEW DBNameDataContext();
USER USER = myDB.Users.Single(u, u.UserName=>userName);
RETURN USER;
} ?

Q49.

Which of the following method is used to delete records in LINQ?

DeleteOn

Delete

DeleteOnSubmit

None of the mentioned

Discuss

Answer: (c).DeleteOnSubmit

Q50.

Which of the following code in LINQ performs functionality similar to joins in SQL?

var categoryProducts =
FROM c IN db.Categories
SELECT NEW {c.CategoryName, productCount = products.Count()};
foreach (var cp IN categoryProducts)
{
Console.WriteLine("There are {0} products in category {1}",
cp.CategoryName, cp.productCount);
}

var categoryProducts =
FROM c IN db.Categories
JOIN p IN db.Products ON c.CategoryID equals p.CategoryID INTO products
SELECT NEW {c.CategoryName, productCount = products.Count()};
foreach (var cp IN categoryProducts)
{
Console.WriteLine("There are {0} products in category {1}",
cp.CategoryName, cp.productCount);
}

var categoryProducts =
FROM c IN db.Categories
JOIN p IN db.Products ON c.CategoryID equals p.CategoryID INTO products
foreach (var cp IN categoryProducts)
{
Console.WriteLine("There are {0} products in category {1}",
cp.CategoryName, cp.productCount);
}

None of the mentioned

Discuss

Answer: (b).var categoryProducts =
FROM c IN db.Categories
JOIN p IN db.Products ON c.CategoryID equals p.CategoryID INTO products
SELECT NEW {c.CategoryName, productCount = products.Count()};
foreach (var cp IN categoryProducts)
{
Console.WriteLine("There are {0} products in category {1}",
cp.CategoryName, cp.productCount);
}

Page 5 of 10

Welcome to the Data Connectivity MCQs Page

Data Connectivity MCQs | Page 5 of 10

Explore more Topics under SQL Server

SQL Server Basics

Data Modification and Constraints

Beyond Relational

Data Definition Language

Development with SQL Server

Enterprise Data Management

Data Security

Monitoring and Auditing

Performance Tuning and Optimization

Business Intelligence and Reporting Services

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