Mark Chaffin

Mark Chaffin is Data Warehouse Architect for Encore Development (http://www.encoredev.com) and has developed numerous decision support systems for clients in such industries as technology, mortgage banking, retail, financial services and insurance. He also has experience in clickstream analytics, data mining, transactional application architecture, Internet application architecture, database administration and database design. He has completed a book about Data Transformation Services with Brian Knight (http://www.sqlservercentral.com/columnists/bknight).

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Blogs

T-SQL Tuesday #198 Roundup: How Do You Detect Data Changes?

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Thank you to everyone who participated in T-SQL Tuesday #198! When I wrote the...

Optimizing Redshift Performance by Configuring WLM Queues

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Efficient query performance in Amazon Redshift often comes down to how well you manage...

PowerShell Strikes Back: Return of the Loop

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Welcome back to PowerShell Strikes Back. We’re three weeks in, and the training is...

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Forums

Dealing with huge heap tables

By JasonO

Recently, our dev teams approach me for advice on improving their huge heap table...

Merge Replication failing with Error converting data type nvarchar to numeric

By Leo.Miller

After upgrading 2 Merge Replicated databases to SQL 2022 and re-establishing the Merge Replication...

Why Your Index Isn't Being Used? - Reading Execution Plans to Find the Real Culprit

By Sanket Parmar

Comments posted to this topic are about the item Why Your Index Isn't Being...

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Question of the Day

Distance Metric Algorithms

What are the distance metric algorithms that can be used in VECTOR_DISTANCE()?

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