Microsoft SQL Server (MS SQL Server) is a significant development in the information technology sector. Developed by Microsoft, it is a relational database management system that is currently being used by various businesses. The primary function of this system is to store and retrieve data as asked by other software applications. These applications can be on the same computer or another machine that are connected through a common network, including the Internet.
Microsoft has developed several versions of Microsoft SQL Server that are meant for different audience as per their business size and nature. There are two primary query languages of MS SQL - T-SQL and ANSI SQL.
When Microsoft entered the enterprise-level database market with its offering SQL Server 1.0, it competed against Oracle and IBM. This launch was done somewhere in 1989 in association with Sybase and Ashton-Tate. SQL Server 1.0 that was developed for OS/2 (a computer operating system), was the same as Sybase SQL Server 3.0 on Unix, VMS etc. It later got into competition with Sybase too when the company split from it for a separate business, though on the same concept.
Since the launch of Microsoft's SQL Server 2000, various modifications have been made to enhance performance, client IDE tools and complementary systems packaged with SQL Server 2005. Some of these include an ETL tool, a Reporting Server, an OLAP and data mining server and several messaging technologies.
ïƒ˜ Different Editions
Microsoft has developed several editions of SQL that have different features are meant for diverse users. As there are various developments and vast scope in this area, it is wise for interested people to get MS SQL Server training. This shall certainly be a great step for building a great career. Lets now talk about the several developed editions:
This edition has been designed for datacenters that need high-level application support and scalability. It is capable of supporting 256 logical processors and unlimited virtual memory. While the Datacenter edition has expired in SQL Server 2012, all its features are found in SQL Server 2012 Enterprise Edition.
This edition consists of core database engine, other services and tools for designing and managing an SQL server cluster. The server supports large databases of up to 524 petabytes and 8 physical processors. It also addresses 2 terabytes of memory.
Different from the Enterprise edition, the Standard edition includes core database engine and other stand-alone services. This version is meant for fewer active instances and does not have some high-availability functions like hot-add memory and parallel indexes.
The SQL Server Web Edition is designed for Web hosting.
This one focuses on Self Service and Corporate Business Intelligence (BI). The version has the features of Standard Edition and several BI tools, including PowerPivot, Master Data Services, Data Quality Services, Power View, BI Semantic Model and xVelocity in-memory analytics.
The SQL Server Workgroup Edition also has the core database functionality, however does not consist the additional services. It is also vital to know that this edition has been retired in SQL Server 2012.
The SQL Server Express is a free version that consists of the core database engine. The edition is limited to the use of one processor, and supports 1 GB memory and 4 GB database files. There are no restraints in terms of support for the number of databases or users.
The Express edition is likely to replace MSDE. There are upgraded versions of the Express edition too, namely SQL Server Express with Tools and SQL Server Express with Advanced Services.
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