1 GB of RAM (runs on a system with higher RAM amount, but uses only at most 1 GB per instance of SQL Server Database Engine.Single physical CPU, but multiple cores allowable.The limit applies per database (log files excluded) but in some scenarios users can access more data through the use of multiple interconnected databases. Maximum database size of 10 GB per database in SQL Server 2019, SQL Server 2017, SQL Server 2016, SQL Server 2014, SQL Server 2012, and 2008 R2 Express (4 GB for SQL Server 2008 Express and earlier compared to 2 GB in the former MSDE).Differences in the Express product include: However it has technical restrictions that make it unsuitable for some large-scale deployments.

SQL Server Express provides many of the features of the paid, full versions of Microsoft SQL Server database management system. It is targeted to developers, this version has following restrictions: up to 10 Gb database size and only local connections (network connections are not supported). Microsoft SQL Server Express LocalDB is a version of Microsoft SQL Server Express, on-demand managed instance of the SQL Server engine. The 'Express' branding has been used since the release of SQL Server 2005. The product traces its roots to the Microsoft Database Engine (MSDE) product, which was shipped with SQL Server 2000. It comprises a database specifically targeted for embedded and smaller-scale applications.

Microsoft SQL Server Express is a version of Microsoft's SQL Server relational database management system that is free to download, distribute and use. English, Chinese, French, German, Italian, Japanese, Korean, Portuguese (Brazil), Russian, Spanish

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