Len() and DataLength()
Both system functions, Len() and DataLength(), in SQL Server are used to measure the length of the data. The main...
2013-05-16
1,311 reads
John Huang’s Blog
Len() and DataLength()
Both system functions, Len() and DataLength(), in SQL Server are used to measure the length of the data. The main difference of those 2 is that Len() gets the...
2013-05-16
8 reads
Protect Yourself from Using DBCC WritePage
I blogged DBCC WritePage a year ago here http://www.sqlnotes.info/2011/11/23/dbcc-writepage/. It’s an extremely dangerous command especially with the last parameter “directORbufferpool”...
2013-05-14
994 reads
Protect Yourself from Using DBCC WritePage
I blogged DBCC WritePage a year ago here http://www.sqlnotes.info/2011/11/23/dbcc-writepage/. It’s an extremely dangerous command especially with the last parameter “directORbufferpool” of this command turned on. I also showed you...
2013-05-14
3 reads
Bring Offline File Online — Modify SQL Server Metadata
In my last post, I demonstrated how to mount a database with missing NDF files. In the end, we still...
2013-05-09
1,557 reads
Bring Offline File Online — Modify SQL Server Metadata
In my last post, I demonstrated how to mount a database with missing NDF files. In the end, we still have issues removing tables created over missing files, the...
2013-05-09
31 reads
Attach Database with Missing NDF File
I wonder if you’ve had the situation that I had before where you have to attach a database with one...
2013-05-13 (first published: 2013-05-07)
3,772 reads
Attach Database with Missing NDF File
I wonder if you’ve had the situation that I had before where you have to attach a database with one or few missing .ndf files. It seems pretty common...
2013-05-07
9 reads
Fix Page Checksum
A checksum value is tagged with every data page in SQL Server. This is used to detect issues on the...
2013-05-02
1,920 reads
Fix Page Checksum
A checksum value is tagged with every data page in SQL Server. This is used to detect issues on the storage system to ensure what has been read from...
2013-05-02
6 reads
Blogs
Moving On-Prem PostgreSQL to the Cloud: Picking the Right Path for Big Tables
Every PostgreSQL migration eventually hits the same fork in the road. The database is...
A Spread of Vacation
By Steve Jones
I’m off on vacation today. Which is a little weird as I just got...
How AgentDBA Identifies Backup Failures
By Arun Sirpal
Every DBA has a box like this. Sitting untouched for months. Nobody’s proud of...
Forums
Have you done a Mid year check in?
Comments posted to this topic are about the item Have you done a Mid...
From SQL Server On-Premises to Claude Desktop: How I built a Full MCP Pipeline
Comments posted to this topic are about the item From SQL Server On-Premises to...
Independence Day 2026
Comments posted to this topic are about the item Independence Day 2026
Question of the Day
Independence Day 2026
In the original Independence Day movie (1996), what type of computer did Jeff Goldblum use to connect to the alien mainframe? Take a guess, don't look it up or ask AI.
See possible answers