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Scope Resolution Operator (Transact-SQL)

The scope resolution operator :: provides access to static members of a compound data type. A compound data type is one that contains multiple simple data types and methods.

Applies to: SQL Server (SQL Server 2008 through current version).

The following example shows how to use the scope resolution operator to access the GetRoot() member of the hierarchyid type.

DECLARE @hid hierarchyid;
SELECT @hid = hierarchyid::GetRoot();
PRINT @hid.ToString();

Here is the result set.

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