Add weekly thread #3

content/tips/mysql-has-a-blackhole-store-engine.md

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+---
+title: 'MySQL has a blackhole store engine'
+tweet_id: '1484566725597138944'
+thread_slug: weekly-thread-2022-03
+author_username: fideloper
+images:
+    - 'https://pbs.twimg.com/media/FJklJacX0AIsUP1.jpg'
+created_at: 2022-01-21T16:41:03+00:00
+slug: mysql-has-a-blackhole-store-engine
+---
+👨‍🔬 Cool MySQL hack: 
+
+🧐 If your staging env has a table that ideally doesn't have data in it (esp production data)
+
+🕳 You can make it a BLACKHOLE table
+
+😅 I used this to make sure a table with a list of emails to send never contains any rows. Because, you know....