Understand why the query plan was changed
66201
Why is my query suddenly slower than it was yesterday?
113703
How to correctly handle dates in queries constraints
107245
Is it possible to delete SEDE queries from our account history?
24300
View history of changes
141815
Rolling back a completely changed question
94848
Change to question invalidates my answer, what to do?
33001
Why am I getting different results from a query vs. a view
107877
Pulling Top queries returns NULL in query plan and sql text
112967
What changed in the Hot Questions sidebar algorithm?
117749
How to see any changes (new row) in mongoDB?
111482
Can a workflow determine if a Lookup field has changed?
144356
Correct the "about" page to reference the new "on hold" policy
102883
how to show only changed rows
14582
How to identify which query is filling up the tempdb transaction log?
48294
"Recheck Cond:" line in query plans with a bitmap index scan
67938
Queries without Good Enough Plan Found
93364
The used SELECT statements have a different number of columns (REDUX!!)