As you can see, SQL is a very powerful, widely used language. Although it has seen many updates since it first came about, the fundamentals remain the same. The earliest SQL databases were conceived as separate systems from their host operating system and often ran on minicomputers or mainframes. Since SQL databases have grown in popularity over the years and are now used on a daily basis by individuals and businesses across the globe it is no wonder the demand for skilled database administrators has continued to grow as well.
Today, SQL continues to be the dominant language for creating relational databases. There are many different dialects of SQL but standard SQL (SQL-2003) is supported by almost every major commercial data management system in use today.
Because SQL is different than a query language in the hard-coded sense and allows for dynamic changes to the database design in part by using the JOIN function.
SQL’s open source roots and extension capability have allowed developers to integrate various other pieces of functionality from SQL Server directly into the application layer of the data storage and retrieval process. Many applications that use SQL today may also utilize PostgreSQL, which gives them even more potential to extend their capabilities. Encryption, authentication, backup and recovery, security, plus an interface are all elements that can be easily added or removed based on requirements of the application.
The end of this story is that as long as there are people building and trying out new software projects, there will continue to be a need for one central place where all the code can live. With so much going on in some of these databases, from storing customer data to powering network infrastructure controls, it's nice to know that all this information is available to the world through open source code.
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