SQL Server return type: floatCLR return type: SqlDoubleRemarksSTArea() returns 0 if a geography instance contains only zero- and one-dimensional figures, or if it's empty.Бележка Methods on the geography data type that produce a metric return value will have different results based ...
Connect to the Database Engine What's new? Editions and features Release notes Business continuity Database design Development Internals & architecture Installation Migrate & load data Manage, monitor, & tune Query data Reporting & Analytics Security Tools Tutorials SQL Server on Linux SQL on Azure ...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance SQL database in Microsoft Fabric The latitude property of the geography instance. Syntax Copy .Lat Return Types SQL Server type: float CLR type: SqlDouble Remarks In the OpenGIS model, Lat is defined only on geography ...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance SQL database in Microsoft Fabric Converts a geography instance that is not valid into a valid geography instance with a valid Open Geospatial Consortium (OGC) type. If an input object returns False for STIsValid(), ...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance SQL database in Microsoft Fabric The longitude property of the geography instance. Syntax syntaxsql Copy .Long Return Value SQL Server type: float CLR type: SqlDouble Remarks In the OpenGIS model, Long is defined only on...
SQL Server return type: float CLR return type: SqlDouble Remarks The result is expressed in the unit of measure defined by the Spatial Reference Identifier (SRID) of spatial data. STDistance() always returns null if the spatial reference IDs (SRIDs) of the geography instances do not match. ...
其他复杂查询 如其他文档:https://www.cnblogs.com/ytwy/p/5977848.html https://www.liangzl.com/get-article-detail-6302.html 参考文档:https://www.mssqltips.com/sqlservertip/1965/sql-server-geography-data-type/
The geography type represents data in a round-earth coordinate system. Both data types are implemented as .NET common language runtime (CLR) data types in SQL Server. 官网链接如下: https://msdn.microsoft.com/en-us/library/bb933790%28v=sql.110%29.aspx...
类型:System.Data.SqlTypes. . :: . .SqlBoolean A SqlBoolean value that specifies whether the specified SqlGeography instance intersects the current SqlGeography. Returns 1 if a geography instance potentially intersects another SqlGeography instance. This method may produce a false-positive return, and...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance SQL database in Microsoft Fabric Returns a geography object that represents the union of all points whose distance from a geography instance is less than or equal to a specified value. This geography data type method supports ...