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Tag: entity-framework

How to troubleshoot “client driver has sent multiple requests while the session is in single-user mode”

By adminPosted on July 29, 2021

Question : I’m working with a developer who is struggling to stop the following error: The server will drop the […]

Is the ADO.NET Entity Framework known for generating poorly performing queries?

By adminPosted on June 22, 2021

Question : This question is inspired by the comment posted to the latest ServerFault blog post: Are you guys still […]

Table with only a single constant value?

By adminPosted on June 3, 2021

Question : I use C# entity framework code first. My knowledge regarding databases is almost nothing. I don’t know if […]

Microsoft SQL Server how can i detach localdb to run on any computer

By adminPosted on May 27, 2021

Question : I am working on a personal project and have implemented a database system using the Entity Framework code […]

Multiple roundtrips vs cross joins

By adminPosted on May 11, 2021

Question : I have a feeling the answer is “it depends on…”, but I’m wondering if there’s a concrete answer. […]

Entity Framework Coupling with Database

By adminPosted on April 7, 2021

Question : I am new to EF and Database Design. I have been studying about using Repository Pattern and Unit […]

Curious Database building Problem (ER Diagram)

By adminPosted on March 8, 2021

Question : I am trying to build an EER Model for a Autostore that has 5 locations and offers a […]

MSSQL Join between big and empty tables

By adminPosted on March 8, 2021

Question : I’ve got an issue with estimated cost and join predicate : SELECT c.Id FROM Table_A a LEFT JOIN […]

Empty result takes longer with all columns included

By adminPosted on January 30, 2021

Question : I’m executing a query every 1 second and most of the time it returns no results (SQL generated […]

Delete Joined to Derived Table Causes Index Scan and Table Spool

By adminPosted on January 19, 2021

Question : Our application uses a popular 3rd-party extension to Entity Framework that allows for valuable things that native Entity […]

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