csherts csherts


Herts Chen is a data architect for the City of Portland, Oregon’s Corporate GIS group. He is responsible for integrating and modeling city and regional data, and he has a PhD.

Cube-Partitioning Tests
Herts Chen describes the testing he did to prove his hypotheses about cube partitioning and improving Analysis Services performance.
Improving Analysis Services Query Performance 2
Analysis Services is a valuable business intelligence (BI) tool, but when queries become complex, Analysis Services can bog down. Get your queries running efficiently by using these techniques for proper cube partitioning.
Automatic Pilot
Manually customizing replication agent job steps speeds up snapshot replication, but it's impractical for a large-scale environment. Learn how to automate this customization in the last article of a three-part series.
Manual Transmission 3
Trying to copy large databases from one server to multiple remote servers can throw your snapshot replication into low gear. But you can rev up the process by manually customizing the replication's steps.
Stop, Drop, and Save
Here’s how the drop and save works when you add the customized drop step to a snapshot replication’s Distribution Agent job.
Why Not Transactional Replication?
When you want to copy large data sets to multiple target servers, snapshot replication beats transactional replication hands down.
Bottleneck Blues
Are performance-sapping bottlenecks weighing down your snapshot replication environment? Here's how to optimize snapshot replication for large databases.
Custom Scripting in SQL Server 2000
If your scripts are simple, static, and stable, you can use SQL Server 2000's custom scripting feature to perform custom tasks for snapshot replication.

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From the Blogs
Sep 15, 2015

Setting Up Additional Checks to Ensure Regular Transaction Log Backups 1

There’s simply no way to overstate the importance of regular Transaction Log Backups. Not only do they help protect from disaster, but regular execution of T-Log backups on Full (and Bulk-Logged) Recovery databases helps keep thing “fit and trim”. Most of the time, setting up a Notification for when T-Log Backup Jobs fail is enough to let you know when something goes wrong....More
Sep 1, 2015

Stop Using INFORMATION_SCHEMA and SysObjects for Exists Checks 3

Code like this isn’t optimal: IF EXISTS(SELECT * FROM sys.objects WHERE name = N'TableToDrop' AND type = 'U')         DROP TABLE TableToDrop; GO Neither is this: IF EXISTS(SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 'TableToDrop')         DROP TABLE TableToDrop; GO Yet, I see both of those used all of the time – over and over again. Even though it’s 2015.  ...More
Aug 27, 2015

A Replacement for Maintenance Plan Backups 1

This blog post is a bit of a ‘repeat’ – since I already covered much of the rationale behind this post in Part 23 of my multi-part series on AlwaysOn Availability Groups and SQL Server Agent Jobs. But, I also figured that this is enough of an important topic to merit its own blog post....More
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