Microsoft SQL Server 2008. . , , , .
SQL Server :
geometry () - ( ).
geography () - () , GPS.
. SQL Server : hierarchyid, sql_variant, sysname, table, rowversion, xml, uniqueidentifier, cursor.
hierarchyid
Microsoft SQL Server 2008 hierarchyid, . hierarchyid . hierarchyid , .
hierarchyid :
, n , . , 100 000 6, 38 . 40 (5 ), .
, , . , .
hierarchyid 892 . , , , 892 , hierarchyid.
sql_variant
sql_variant , . sql_variant , ( , , , , ).
sysname
sysname , , . sysname nvarchar(128), sysname NOT NULL. SQL Server sysname varchar(30).
table
table . . table , .
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, , . .
rowversion
rowversion , , - rowversion . 8 . rowversion .
xml
xml XML- SQL Server. Database Engine xml, XML. xml 2 . SQL Server xml XML-, xml .