What’s the Difference Between PERCENT_RANK and CUME_DIST?
Learn a bit about the different results you get from the PERCENT_RANK and CUME_DIST aggregate functions.
2019-06-27
12,099 reads
PERCENT_RANK
2018-01-25
893 reads
Nasty Fast PERCENT_RANK
Alan Burstein discusses a better performning alternative to PERCENT_RANK that works on SQL Server versions 2005+
2018-01-05 (first published: 2016-06-07)
12,715 reads
Using the T-SQL PERCENTILE Analytic Functions in SQL Server 2000, 2005 and 2008
Percentiles give meaning to measurements by telling you the percentage of the population being measured who get higher or lower values. They are now easier to calculate in SQL, and are useful for reporting; but are the new analytic functions faster and more efficient than the older methods? Dwain Camps demonstrates, and investigates their relative performance.
2015-05-27
7,757 reads
Blogs
Playing with the Data API Builder
By Steve Jones
I published an article today on the Data API Builder, which is a way...
A New Word: Dolonia
By Steve Jones
dolonia – n. a state of unease prompted by people who seem to like...
Cloudbrew 2024 – Slides
You can find the slides for the session Building the €100 data warehouse with...
Forums
Understanding allowed topics for testing
Hi, I am a first time writer looking to author some content here. I...
Do As I Say, Not As I Do
Comments posted to this topic are about the item Do As I Say, Not...
Filter a SQL Server Audit with a predicate
Hi Gents, Silly question, but it's been a long time since I've done this....
Question of the Day
The New Log File
I have a detached database from SQL Server 2019, called TDE_Primer. This database had a 100MB data file and a 73MB log file. The log file was lost, so I need to run this code:
USE [master] GO CREATE DATABASE [TDE_Primer] ON ( FILENAME = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\DATA\TDE_Primer.mdf' ) FOR ATTACH_REBUILD_LOG GOHow big is the new log file? See possible answers