One of our products supports both Oracle and SQL Server as database backend. We have a customer who wishes to switch from an Oracle backend to Microsoft SQL Server, which isn't a typical transition ...
I've seen a lot of people use the COALESCE function in place of ISNULL. From internet searches, I've found that COALESCE is ANSI standard, so there is an advantage that we know what to expect when ...
Say I have the following query: SELECT * FROM AppDetails, AppTags WHERE AppDetails.AppID = '1' AND AppDetails.AppID = AppTags.AppID Which gives the following results: AppID AppName ...
TLDR; If you look at the 2 execution plans, is there an easy answer to which is better? I purposefully did NOT create indexes so it's easier to see what's happening. Following up on my previous ...
My main skills are with SQL Server, but I have been asked to do some tuning of an Oracle query. I have written the following SQL: declare @startDate int select @startDate = 20110501 And I get this ...
Please show me how I can modify this SQL select to use pivot instead of all the case statements. SELECT t.ProjectId, COALESCE(MAX(ExecutiveChampion), 'n/a'), ...
I recently upgraded from SQL Server 2005 to 2012. During validation however, a bug was discovered. A certain trigger was coded as follows: CREATE TRIGGER [dbo].[trigger] on [dbo].[foo] FOR UPDATE, ...