How do you handle performance bottlenecks when using LINQ and Entity Framework? What is the 'union' operator in LINQ?

Concat generates query, that has the semantic of UNION ALL. Similarly the Union generates query with UNION semantic. Aug 10, 2019 ... It contains three examples of building a dynamic query using LINQ expressions. Each example contains a large number of comments stating the Lambda expression ... Feb 1, 2010 ... A starter sample intended just to show the absolute basics of using LINQ, Entity Framework and a SQL Server database. LINQ query is similar to the SQL query created for developers to maintain a standardized coding approach. It deals with the data objects, therefore, it is ... NET type, IQueryable , which holds LINQ code in a form that can be executed later. This allows developers to split complex queries into separate parts and ... Aug 6, 2014 ... It is definitely neater to query using linq-to-entities instead of creating an oracle connection, creating an adapter, filling a dataset and reading what I ... Apr 2, 2025 ... How can you perform a LINQ query to retrieve all records from a table using Entity Framework? Explain the concept of lazy loading in Entity ... Apr 25, 2023 ... In this video I cover the fundamentals of Entity Framework (Code First), LINQ and I perform Create, Read, Update, and Delete operations on a ... Entity Framework can make SQL Server work ... But it's really a LINQ (Language Integrated Query) statement, specifically a LINQ to Entities statement. ... LINQ ADO.NET and DataGridView Testing GUI apps,Project ... Entity Framework dbfirst database operation,Entity Framework codefirst database operation.

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what is linq and entity framework

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• How do you profile Entity Framework Core applications? What is the difference between 'Any()' and 'Count() > 0' in LINQ with Entity Framework?
• What are views in Entity Framework?
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• How do you use LINQ with data generation? How do you implement custom result materialization in LINQ queries with Entity Framework?
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• What is the Entity Data Model (EDM)?
• How do you implement optimistic concurrency in Entity Framework Core? What is the difference between 'FirstOrDefault()' and 'SingleOrDefault()' in LINQ with Entity Framework?