Table variables will do the same thing. They'll estimate at one row, pretty much regardless of what's going to actually be in them. Recursive CTEs are another one that sometimes do that.
- Gus "GSquared", RSVP, OODA, MAP, NMVP, FAQ, SAT, SQL, DNA, RNA, UOI, IOU, AM, PM, AD, BC, BCE, USA, UN, CF, ROFL, LOL, ETC
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