Comparing LINQ with Stored Procedure

07 Sep 2022

LINQ provides you common query syntax to query various data sources like SQL Server, Oracle, DB2, web services, XML and Collection, etc. LINQ also has full type checking at compile-time and IntelliSense support in Visual Studio, since it used the .NET framework languages like C# and VB.NET.

On the other hand, a stored procedure is a pre-compiled set of one or more SQL statements that are stored on RDBMS (SQL Server, Oracle, DB2 and MySQL, etc.). The main advantage of stored procedures is that they are executed on the server side and perform a set of actions, before returning the results to the client side. This allows a set of actions to be executed with minimum time and also reduce the network traffic.

A brief comparison of LINQ and Stored Procedure

  1. Stored procedures are faster as compared to LINQ query since they have a predictable execution plan and can take the full advantage of SQL features. Hence, when a stored procedure is being executed next time, the database used the cached execution plan to execute that stored procedure.

  2. LINQ has full type checking at compile-time and Intellisense support in Visual Studio as compared to a stored procedure. This powerful feature helps you to avoid run-time errors.

  3. LINQ allows debugging through .NET debugger as compared to a stored procedure.

  4. LINQ also supports various .NET framework features like multithreading as compared to stored procedures.

  5. LINQ provides the uniform programming model (means common query syntax) to query the multiple databases while you need to re-write the stored procedure for different databases.

  6. A stored procedure is the best way for writing complex queries as compared to LINQ.

  7. Deploying a LINQ based application is much easy and simple as compared to stored procedures based. Since in case of stored procedures, you need to provide a SQL script for deployment but in case of LINQ, everything gets compiled into the DLLs. Hence you need to deploy only DLLs.

Limitation of LINQ over Stored Procedures

  1. LINQ query is compiled each and every time while stored procedures re-used the cached execution plan to execute. Hence, a LINQ query takes more time in execution as compared to stored procedures.

  2. LINQ is not good for writing complex queries as compared to stored procedures.

  3. LINQ is not a good way for bulk insert and update operations.

  4. Performance is degraded if you don't write the LINQ query correctly.

  5. If you have done some changes in your query, you have to recompile it and redeploy its DLLs to the server.

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What do you think?

I hope you will enjoy LINQ and stored procedure while playing with the database. I would like to have feedback from my blog readers. Your valuable feedback, question, or comments about this article are always welcome.

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