Technical Article

The Wide-Ranging Effects of MDM on BI Systems

When an enterprise first encounters master data management, it often doesn’t have a clear understanding of how MDM will affect the architecture of its business transaction systems or business intelligence systems. This article describes master data patterns in legacy system architectures, a general MDM architecture and some ways the new MDM layer affects the master data patterns in the legacy layers.

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Question of the Day

BIT_COUNT II

In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:

UserID  UserPermissions
15
23
37
4       NULL
What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount
from dbo.UserPermission
where UserID = 4;

See possible answers