Ranking for ideal query reducing
15628
How to diagnose a search engine ranking drop?
140468
Request for linked voting in data dump
94703
Time complexity and optimality
91217
Arbitrarily ordering records in a table
33320
Filtering "hot" questions
113260
How to check/know the highest run queries
19462
Similar question search works better than actual search
67163
Case-sensitive Google search
62618
Check which statistics were used in query optimization
11859
Add title uniqueness to the heuristics for detecting low-quality questions
152099
Amount and sparsity of data for recommender systems
2523
Distinguish close votes by reason
33417
Tune a simple inner join query
121157
Proof verification: column rank = row rank
43962
Penguin Brainteaser : 321-avoiding permutations
104378
Minimizing weighted sum
67938
Queries without Good Enough Plan Found