Struggling with a query using LAG: My goal is to get ONE record per customer and show the CURRENT value of a field and the PREVIOS value of a field all in the same record. I guess I'm going about it all wrong. My current query and a snippet of results is
SELECT YEAR(OrderDate) AS OrderYear, month(OrderDate) orderMOnth, sum(TotalDue) AS Total , LAG(sum(TotalDue)) OVER(PARTITION BY month(OrderDate) ORDER BY month(OrderDate), YEAR(OrderDate)) AS lastyearmonth_Total FROM Sales.SalesOrderHeader ...
SQL Server Database Consultant RLilj33 SSCrazy Points: 2153 More actions April 15, 2015 at 7:18 am #1791086 Ed Wagner (4/15/2015) Nice question. Of all the things we get when we upgrade to 2012 or 2014, LEAD and LAG are the ones I'm looking forward to the most. Yes, I know...
Arduino and SQL Server Are there any Bitmap(ped) indexes in SQL Server? Are there MIN(A,B) or MAX(A,B) functions in SQL? Argument data type datetime is invalid for argument 3 of json_modify function Argument data type sql_variant is invalid for argument 1 of like function Argument dat...
you could get all preceding rows withLAG()you cannot also reference preceding calculations asLAG()...
SQL Server How to create start and end date buckets using windowed functions in SQLThe idea being...
In a typical migration scenario, you set this up and let it run until your actual cutover day. When you’re ready for the migration, complete the following steps: Run the following TSQL on GP (Node1) to understand the lag of FP (RDS Custom) to G...
Create a login in the master database of the logical SQL server, and users in each user database.SQL Copy -- Create a login on the master database CREATE LOGIN job_credential WITH PASSWORD='<password>'; SQL Copy -- Create a user on a user database mapped to a login. CREATE ...
Another reason to stage data is if there is a time lag between the extraction and the loading process. Extracted data has to be stored before it can be loaded in this situation. Having a staging area decouples the extraction processes from operational processes. This serves to minimise the loa...
You can check replica lag by running the SHOW SLAVE STATUS command on Aurora read replica and checking the Seconds behind Master value. SHOW SLAVE STATUS \G Promote Amazon Aurora read replica to be a standalone database cluster Sign in to the AWS Management Console and open the...