Are MSSQL and MySQL different
MySQL and SQL Server in comparison
Two of the most popular backend databases that web developers work with today are MySQL and SQL Server. They are fundamentally the same in that they are both data storage and provision systems. SQL can be used to retrieve data from either system, as both claim to support ANSI SQL. Since both database systems support primary keys and key indexes, indexes can only be created for speeding up queries and for forcing input. In addition, both offer some form of XML support.
How do these two products differ, aside from the obvious price difference, and how do you choose between them? First, it looks at their main differences, including licensing costs, performance, and security.
The main differences can be found in the basic principles
The differences start with the basic principles: open vs. proprietary. SQL Server with its closed, proprietary memory module differs fundamentally from MySQL's expandable open memory module. With the Sybase-derived SQL Server module, you get stuck in good times and bad, while with MySQL you have many options to choose from, such as: B. MyISAM, Heap, InnoDB and Berkeley DB.
This difference alone is reason enough for some interested parties to opt for one of the two systems. But there are also a few technical differences. First, MySQL does not fully support foreign keys, which makes it less of a relational database than SQL Server, which has all of the relational features. Also, MySQL has previously lacked stored procedure support, and the standard MyISAM module does not support transactions.
Licensing costs: MySQL is not always free, but it is not expensive
Both products use a two-tier scheme for licensing costs. Usually you get a free developer license for SQL Server "only for development purposes" with the purchase of a license for Microsoft Office Developer or Microsoft Visual Studio. However, if you want to use it in a commercial production environment, you will have to pay at least for the SQL Server Standard Edition, which costs around $ 1,400 for five client connections.
MySQL, on the other hand, is an open source product and licensed under the GNU General Public License (GPL). For developers, this means that they don't have to pay to use MySQL as long as the project they are working on is also an open source product. However, if the software is intended to be sold as a closed source product, a commercial license must be acquired, which currently costs 440 US dollars for up to nine clients. Schools and nonprofits are exempt from this commercial licensing requirement.
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