Vastly different query run-times on different servers
37349
Why does my query run fast in Environment A, but slow in Environment B?
53417
Calculate execution time of a SQL query?
128083
H2DB and Java, an approximate> two hour discrepancy
47917
Why does the same query run faster the second time I run it?
48967
Too many SOQL queries
85496
MySql view is very slow. Why?
143970
Local timezones on servers considered harmful?
151604
Why does a query run slower in a Stored Procedure than in the Query window?
103906
why is io_stall_writes_ms so much higher for tempdb?
145803
Out-of-resources when trying to run a popular DataExplorer query
152542
Query extremely slow in code but fast in SSMS
139728
Query speed based on order of columns
55284
System.LimitException: Too many query rows: 50001 even though SOQL has LIMIT 10,000 specified
157965
Incorrect query filter according to the requirement
100381
Improve SQL Server query performance on large tables
17093
Why are query results shortened in pgAdmin 1.18.1?
4114
SQL Prove memory pressure - high Buffer Cache Hit Ratio, but low Page Life Expectancy