Thomas LeBlanc

Thomas LeBlanc is a Business Intelligence Consultant/Data Warehouse Architect in Baton Rouge, Louisiana. He uses his 25+ years in IT to help develop OLTP systems with normalized databases for high-performing T-SQL and end-to-end dimensional data marts using SSIS, SSAS, PPS, and Excel. His SQL Server certifications include MCSA 12, MCITP 08 BI and DBA, MCITP 2005 DBA, and MCDBA 2000. As a PASS volunteer, he is current chair of the Excel BI virtual chapter, past chair of the Data Architecture virtual chapter, and past virtual chapter mentor. He has helped the Baton Rouge SQL Server User Group with SQLSaturdays and speaks at local IT meetings.
  • Interests: #SQLFamily

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Narrow Task Decomposition in AI Pipeline Agents

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A nightly load into sales_fact fails. Ask an orchestrating agent to break down the...

Car Update: August 2026

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It’s been some time since I provided a car update, so I decided to...

Microsoft Fabric OneLake Shortcuts: When to Use Them and When Not To

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An architecture scenario Imagine separate Sales, Finance, Shared Data, and Executive Analytics workspaces. Sales...

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Managing Incidents and Fighting Fires

By Pat Wright

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Backing Up a DMK

By Steve Jones - SSC Editor

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The Quiet Part

By Steve Jones - SSC Editor

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Question of the Day

Backing Up a DMK

In SQL Server 2025, I have a database with a Database Masker Key (DMK). I want to back up this key and keep a copy offline. When do I have to open this key before running the backup?

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