SQL Windowing screencast session for Cuppa Corner - rolling totals, data cleansing

Posted by tonyrogerson on SQL Blogcasts See other posts from SQL Blogcasts or by tonyrogerson
Published on Fri, 21 May 2010 12:12:00 GMT Indexed on 2010/05/21 13:11 UTC
Read the original article Hit count: 600

Filed under:

sql

|

windowing

|

Cuppa Corner

In this 10 minute screencast I go through the basics of what I term windowing, which is basically the technique of filtering to a set of rows given a specific value, for instance a Sub-Query that aggregates or a join that returns more than just one row (for instance on a one to one relationship). http://sqlserverfaq.com/content/SQL-Basic-Windowing-using-Joins.aspx SQL below... USE tempdb go CREATE TABLE RollingTotals_Nesting ( client_id int not null, transaction_date date not null, transaction_amount...(read more)

© SQL Blogcasts or respective owner

Related posts about sql

SQL SERVER – Concat Strings in SQL Server using T-SQL – SQL in Sixty Seconds #035 – Video

as seen on SQL Authority - Search for 'SQL Authority'
Concatenating string is one of the most common tasks in SQL Server and every developer has to come across it. We have to concat the string when we have to see the display full name of the person by first name and last name. In this video we will see various methods to concatenate the strings. SQL… >>> More
SQL SERVER – Concat Function in SQL Server – SQL Concatenation

as seen on SQL Authority - Search for 'SQL Authority'
Earlier this week, I was delivering Advanced BI training on the subject of “SQL Server 2008 R2″. I had great time delivering the session. During the session, we talked about SQL Server 2010 Denali. Suddenly one of the attendees suggested his displeasure for the product. He said, even though… >>> More
Error with SQL Server Setup 2012 on Windows 2012

as seen on Server Fault - Search for 'Server Fault'
I am trying to install SQL Server on Windows 2012. I was able to finally get the wizard up and running after making some changes on the server, but now it fails no matter what I do with the following error: TITLE: SQL Server Setup failure. SQL Server Setup has encountered the following error: … >>> More
How can I detect which version of SQL (eg SQL 2008 or SQL Azure)

as seen on Stack Overflow - Search for 'Stack Overflow'
I need to detect which version of SQL I am dealing with to perorm various tasks, I need specifically detect if I am on SQL 2008 or SQL Azure. How can I do this with detection code written in SQL? >>> More
Nested SQL Select statement fails on SQL Server 2000, ok on SQL Server 2005

as seen on Stack Overflow - Search for 'Stack Overflow'
Here is the query: INSERT INTO @TempTable SELECT UserID, Name, Address1 = (SELECT TOP 1 [Address] FROM (SELECT TOP 1 [Address] FROM [UserAddress] ua INNER JOIN UserAddressOrder uo ON ua.UserID = uo.UserID WHERE ua.UserID = u.UserID ORDER BY uo.AddressOrder ASC) q ORDER BY AddressOrder… >>> More

Related posts about windowing

SQL Windowing screencast session for Cuppa Corner - rolling totals, data cleansing

as seen on SQL Blogcasts - Search for 'SQL Blogcasts'
In this 10 minute screencast I go through the basics of what I term windowing, which is basically the technique of filtering to a set of rows given a specific value, for instance a Sub-Query that aggregates or a join that returns more than just one row (for instance on a one to one relationship).… >>> More
How to set environment variables for Xfce windowing environment

as seen on Super User - Search for 'Super User'
We're using Ubuntu 12.04.1 with Xfce 4.8. We have a script which sets environment variables needed by our software. In the past, I figured out how to run this script in the Xfce start up so that these environment variables are set up and available to gui based programs launched via icons. Recently… >>> More
Java code optimization on matrix windowing computes in more time

as seen on Stack Overflow - Search for 'Stack Overflow'
I have a matrix which represents an image and I need to cycle over each pixel and for each one of those I have to compute the sum of all its neighbors, ie the pixels that belong to a window of radius rad centered on the pixel. I came up with three alternatives: The simplest way, the one that recomputes… >>> More
Java findout if current platform supports windowing

as seen on Stack Overflow - Search for 'Stack Overflow'
Is there way to find out if Java is running on a platform which supports windowing of any kind? I know that you could possibly figure it out by reading in the environment variables, but that might prove to be rather difficult with all the possible combinations. >>> More
SQLRally and SQLRally - Session material

as seen on SQL Blog - Search for 'SQL Blog'
I had a great week last week. First at SQLRally Nordic , in Stockholm, where I presented a session on how improvements to the OVER clause can help you simplify queries in SQL Server 2012 enormously. And then I continued straight on into SQLRally Amsterdam , where I delivered a session on the performance… >>> More