SQL fields missing

[catilac]

[[Reserved for Mark Sherman's Class]]

https://github.com/processing/processing4/blob/main/core/src/processing/data/Table.java#L226

There is a TODO here.
It's missing other SQL fields (like VARCHAR, CHAR, BLOB...) and is untested.

Please write some tests, and add the missing fields

[elisefergusonn]

I can take over for this one!