Should we [join] this tag with the other burninated ones?

Question

I've just again realized that we have a join tag, which corresponds to SQL. It doesn't appear that the questions have anything else in common, either. Do we still need it?

Answer 1

No, your statement that join is related to sql is a faulty assumption.

There are also questions about performing joins with excel, csv, pandas, or just joining data the hard way in regular programming languages.

While it is true that most interesting sql queries involve some kind of JOIN, that is not universally true. (Many INSERT and UPDATE queries do not involve JOIN, for example.) It is debatable whether those uses of the join tag are worth eliminating. I'd say that they are harmless to leave there.

Answer 2

Burn it.

Pretty much all SQL queries use joins in one form or another. I think that having sql is on its own sufficient and it should be assumed that any SQL question could have joins, making the use of sql join together redundant.