LINQ MCQ

Test your knowledge with important LINQ MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more LINQ MCQs on Bissoy. Bissoy App

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

  DeleteOn

  খ

  Delete

  গ

  DeleteOnSubmit

  ঘ

  None of the mentioned
• DataContext object is constructed in LINQ to SQL using _____________
  ক

  NorthwindDataContext db = new malloc NorthwindDataContext();

  খ

  NorthwindDataContext db = new NorthwindDataContext();

  গ

  NorthwindDataContext db = new NorthwindData();

  ঘ

  None of the mentioned
• The ______ pre-compiler translates embedded SQL into calls to the Oracle runtime library.
  ক

  Pro*C

  খ

  ORM

  গ

  ApexSQL

  ঘ

  None of the mentioned
• LINQ to Entities applications requires __________ mapping provider.
  ক

  DataClient

  খ

  EntityClient

  গ

  SqlClient

  ঘ

  All of the mentioned
• LINQ to SQL in SQL Server fully supports ____________
  ক

  Transactions

  খ

  Functions

  গ

  Stored Procedures

  ঘ

  All of the mentioned
• LINQ to SQL is considered to be one of Microsoft’s _______ products.
  ক

  ORM

  খ

  ODBC

  গ

  JDBC

  ঘ

  SQLLIB
• Select the namespace which should be included while making use of LINQ operations?
  ক

  System.Text

  খ

  System.Collections.Generic

  গ

  System.Linq

  ঘ

  None of the mentioned
• Can we use linq to query against a DataTable?
  ক

  Yes

  খ

  No

  গ

  Either Yes or No

  ঘ

  None of the mentioned
• Choose the namespace in which the interface IEnumerable is declared?
  ক

  System.Collections

  খ

  System.Collections.Generic

  গ

  Both System.Collections & System.Collections.Generic

  ঘ

  None of the mentioned
• Choose the wrong statement about the LINQ?
  ক

  The main concept behind the linq is query

  খ

  linq makes use of foreach loop to execute the query

  গ

  It is not required that linq should make use of IEnumerable interface

  ঘ

  None of the mentioned
• Assume 2 columns named as Product and Category how can be both sorted out based on first by category and then by product name?
  ক

  var sortedProds = _db.Products.Orderby(c => c.Category)

  খ

  var sortedProds = _db.Products.Orderby(c => c.Category) + ThenBy(n => n.Name)

  গ

  var sortedProds = _db.Products.Orderby(c => c.Category) . ThenBy(n => n.Name)

  ঘ

  all of the mentioned