As I mentioned before OpenXML is an option. Didn't tried with larger contents but likely to work.

a tool that implements OpenXML and can be used from SSIS (in...

Steve does mention the constraint on the answer "Note, if the file is not empty, you cannot remove it.)

hum.. I've used this even with higher than 4k and never an issue.
from docs - For SQL Server 2014 (12.x) and earlier, allowed input values are limited to 8000 bytes.

this is one of the issues with using the ACE driver - and many more issues can be found if you processing same file layout with changing contents.

have a look at https://github.com/aleonard763/SSISFrameworkCommunityEdition
It kind of contains most of the details you need to implement your desired functionality - even a master package to control all others.

There are others - but one that always comes to mind is http://www.dba-oracle.com/

it is possible. but you haven't given enough details to give you a working solution.

assuming you have a list of pairs as per your input you would do...

there is a limitation imposed - even when doing a create db (and possibly a restore)

Program files and data files cannot be installed in the following situations:

March 8, 2019 at 1:23 pm

#2023980

My memory may be incorrect, but if not mistaken for double hop you do need to have a AD account - GMSA or MSA would be the best as no...

One possibility - depends on how frequent updates/inserts/delets are done on those 2 tables.
Also assumes you have enough space available to hold an extra copy of the tables.

if you are already coding in C# then look at using the available .net to process csv files - after that its easier to deal with the transformation of dates...