The Stack Exchange Data Explorer (SEDE) allows you to create and run queries against copies of the databases of popular Stack Exchange sites.

The Stack Exchange Data Explorer (SEDE), located at https://data.stackexchange.com, allows you to create and run queries against copies of the databases of popular Stack Exchange sites to investigate trends or satisfy your curiosity.

Resources

It is worth mentioning that the data in SEDE are updated once a week.

If you have a small inquiry or want advice/discuss before you ask a question (or post an answer) you're welcome in the chatroom Data Explorer (SEDE) (on MSE Chat) or SEDE - Stack Exchange Data Explorer (on SE Chat).