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A GROUP BY statement in SQL specifies that a SQL SELECT statement partitions result rows into groups, based on their values in one or several columns. Typically, grouping is used to apply some sort of aggregate function for each group. [1] [2] The result of a query using a GROUP BY statement contains one row for
SQL Server 2008 (formerly codenamed "Katmai") [14] [15] was released on August 6, 2008, announced to the SQL Server Special Interest Group at the ESRI 2008 User's Conference on August 6, 2008, by Ed Katibah (Spatial Program Manager at Microsoft), and aims to make data management self-tuning, self organizing, and self maintaining with the ...
Microsoft SQL Server (Structured Query Language) is a proprietary relational database management system developed by Microsoft.As a database server, it is a software product with the primary function of storing and retrieving data as requested by other software applications—which may run either on the same computer or on another computer across a network (including the Internet).
Microsoft SQL Server Compact (SQL CE) is a discontinued relational database produced by Microsoft for applications that run on mobile devices and desktops. Prior to the introduction of the desktop platform, it was known as SQL Server for Windows CE and SQL Server Mobile Edition. It includes both 32-bit and 64-bit native support. [1]
SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...
Extended support end date Supported operating systems SQL Server 2005 Express Edition: 2005-11-07 [17] 2011-04-12 [18] 2016-04-12 [18] Windows 2000 Service Pack 4, Windows XP Service Pack 2, Windows Server 2003 Service Pack, Windows 7 Service Pack 1 (only SQL Server 2005 Express Edition SP4) [19] SQL Server 2008 Express: 2009-02-08 [20] 2014-07 ...
TIMESTAMP: This is a DATE and a TIME put together in one variable (e.g. 2011-05-03 15:51:36.123456). TIMESTAMP WITH TIME ZONE: the same as TIMESTAMP, but including details about the time zone in question. The SQL function EXTRACT can be used for extracting a single field (seconds, for instance) of a datetime or interval value. The current ...
Reporting Services was first released in 2004 as an add-on to SQL Server 2000. Subsequent versions have been: Second version with SQL Server 2005 in November 2005; Third as part of SQL Server 2008 R2 in April 2010; Fourth version as part of SQL Server 2012 in March 2012; Fifth version as part of SQL Server 2014 in March 2014