We conclude that SQL Server has historically been popular with organizations that rely on other Microsoft products, but PostgreSQL has risen to the top of the field not only because of the advantages of going open source but also for its robust features and active community of users. However, it is intended for anyone who is curious to learn more about relational databases.
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It will be particularly useful for organizations who are thinking of making the switch from a commercial to an open-source database, but need more information on the possible trade-offs and advantages of the two systems. Over 40 topics are covered in head-to-head comparisons. In addition, you will learn about differences between the two systems when it comes to licensing and cost, ease of use, SQL syntax and compliance, data types, available features, performance, and security, among many others. Among the most significant distinctions is that PostgreSQL is open source, while SQL Server is owned and licensed by Microsoft. In this article, we provide a detailed rundown of the similarities and differences between PostgreSQL and SQL Server. Although they share a number of core traits, there are major differences between them. I’ll keep an eye on the Product Terms too and see if anything is added there, either through a revision or in subsequent months.PostgreSQL and SQL Server (or MSSQL) are two widely used relational databases. However, the November 2019 Product Terms list these changes under “SQL Server 2019 – Fail-over Rights” and there is no reference to these rights applying retrospectively to other SQL Server releases.Īs it stands, a Microsoft blog generally isn’t a strong foundation on which to base licensing decisions so, if you’re running SQL 2012 – 2017, I’d speak to your Microsoft team for further confirmation that the new rights do indeed apply retrospectively. This was initially announced via a Microsoft blog which states these changes apply to “any SQL Server release that is still supported by Microsoft” which, at the time of writing, is SQL Server 2012 onwards. Microsoft state that DR fail-over instances must be both “asynchronous” and “manual” and that, whether for DR or HA, fail-over instances cannot serve SQL data or run active workloads.
Sql server 2019 free#
Now however, with this added benefit, the Azure virtual machines can be used free of charge: What is a fail-over OSE?
Sql server 2019 software#
While it has always been technically possible to fail-over an on-premises server into the Azure cloud – it hasn’t been covered under the Software Assurance benefits meaning the passive Azure server required licensing, and paying for, as if it were active. Microsoft represent the available benefits like this:
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This means if you deploy the primary SQL workload in a 3rd party shared cloud environment, you do not have these fail-over rights available. These rights do not apply if SQL Server is deployed using the “License Mobility through SA” right. *This must abide by the Outsourcing Software Management clause re: the Listed Providers in the cloud.
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November 2019 saw the release of Microsoft SQL Server 2019 and one of the new things it brings is enhanced fail-over and Disaster Recovery rights specific to SQL server.