What?
I have a mySQL database table of room assets that has a field containing the ID numbers of images relevant to this room.

The Problem?
When I select specifying the statement "WHERE IN (c.RoomImages)", this is interpreted as a string and when converted to a number only retrieves the first value before the first comma. Consider the following, the first query is how MySQL interprets the query and the second is what I want it to do:

SELECT value FROM my_table WHERE my_id IN ('1, 2, 3')
SELECT value FROM my_table WHERE my_id IN ('1', '2', '3')

Just putting a note as I have spent ages looking for a solution and getting it to work in my environment.

What?
Need to be able to omit HTML tags in certain fields of a mySQL database.

Why?
We are preparing to migrate old content to a new system. From a MediaWiki CMS to a SaaS called Service-Now. The previous interlinking between images could no longer be used.

The Why
So I find myself writing increasingly complex SQL scripts and it's at the stage where we need to optimize the queries because some scripts are noticeably slow (as observed by the customer...) and then others not.

The What
I'm going to run these benchmark tests against a system that is both up and running via the front-end and back-end. It's MediaWiki CMS used by Wikipedia.org and the like. I like queries against this database because it involves linking a lot of tables and outputting... just articles and their titles.

I have another table holding the audit trail of content approvers on the system. Approvers can e-sign an article (approving it) by clicking on a button. We want to bring back the articles that aren't listed in the audit table (articles yet to be approved).

Why?
I recently made a joomla module that displays the lastest members to signup. It goes a little further and counts activated accounts for the past day, week, month and year (the below examples count all accounts irrespective of being activated or not). It needs to pick up trends as well and compare for example todays, with yesterdays up to the same hour.

How?
I used to use a lot more PHP but since becoming an analyst, I do more at the database level now. What follows should be usable mySQL statements to get all the numbers:

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