multiple issues there.

Union on its own needs to sort the data to remove duplicates - adding to this you have identity_insert on which has its own issues.

and (probably the worst)...

to use UTF8 in SQL 2019 NVARCHAR is not required (see https://docs.microsoft.com/en-us/sql/relational-databases/collations/collation-and-unicode-support?view=sql-server-ver16#Unicode_Defn) - but increasing the size of the existing varchar MAY be required.

have a look at https://techcommunity.microsoft.com/t5/sql-server-blog/introducing-utf-8-support-for-sql-server/ba-p/734928

example of what I do on one of my databases with regards to users and groupmembership

note the detail of formatting the dates in a very specific format as well as...

• This reply was modified 3 years ago by frederico_fonseca.

Can you clarify how...

Maybe.. maybe not.

one of my main big tables (clustered columnstore) is partitioned as well - but each partition has 3 Billion...

Columnstore is good for aggregation SQL's - not for plain retrieval of data but 45 min still looks very bad.

on your case I would be interested in seeing how it...

if you get the files in Excel and convert to CSV then it would be better if you define the format of the dates at that point - assuming the...

You also need to consider licencing costs for MSSQL and they can be very complicated.  From memory the minumum licence is 4 cores and then in multiples of 2...

there is nothing we can say to help you there - all those values are specific to your own AD structure. It can be whatever your admins decided it would...

why don't you try it? should be rather easy for you to set up a test case on your own instead of spending time asking if it is possible.

you even...

to use xp_cmdshell within a SP this is NOT what you need.

regarding the SQL Jobs e.g. using sqlcmd as the step type you are missing one step as per below

on...

• This reply was modified 3 years, 1 month ago by frederico_fonseca.

I would go further than that - using better names that make it clear what each date is

with dates as 
(select DateFromParts(Year(current_timestamp)-IIf(Month(current_timestamp)=1, 6, 5), 1, 1) as...

and have you considered that we are not here to do your work?

We can help with particular errors or some logic questions - but rewriting your code is not something...

order is a reserved word - either  use 2 naming convention (which you should be doing anyway) or enclose in square brackets - or both

you just need to replace that "if(od.amend..." with a "coalesce(od.amend.." and the "date(..." with a "convert(date, ...".. and fix the IN clause to have all values enclosed in single quotes...