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join Questions

3	Last 7 Days	33.3% unanswered
18	Last 30 Days	27.8% unanswered
1,874	All Time	16.8% unanswered

Top join Answerers

Last 30 Days

6	1	J.D. 24.6k5 gold badges37 silver badges82 bronze badges
6	4	Rick James 68.7k4 gold badges39 silver badges92 bronze badges
5	1	Lennart 21.3k2 gold badges27 silver badges62 bronze badges
4	2	jjanes 32k3 gold badges30 silver badges42 bronze badges
3	1	Squirrel 5182 silver badges9 bronze badges
3	1	Michael Green 23k12 gold badges47 silver badges90 bronze badges
3	1	a_horse_with_no_name 71.2k13 gold badges141 silver badges175 bronze badges
2	1	Anand Sowmithiran 1255 bronze badges
2	1	Kondybas 4,11414 silver badges13 bronze badges
1	1	Ergest Basha 1,1251 gold badge3 silver badges11 bronze badges
1	1	Charlieface 5,6432 silver badges20 bronze badges
1	1	Vérace - Слава Україні 27.2k8 gold badges63 silver badges79 bronze badges

All Time

570	118	Erwin Brandstetter 152k19 gold badges370 silver badges513 bronze badges
455	130	ypercubeᵀᴹ 92.9k13 gold badges191 silver badges287 bronze badges
304	64	RolandoMySQLDBA 173k31 gold badges298 silver badges493 bronze badges
294	37	a_horse_with_no_name 71.2k13 gold badges141 silver badges175 bronze badges
236	19	Paul White♦ 70.9k25 gold badges375 silver badges582 bronze badges
217	14	Martin Smith 78.1k15 gold badges226 silver badges318 bronze badges
139	25	Aaron Bertrand 176k25 gold badges382 silver badges592 bronze badges
123	146	Rick James 68.7k4 gold badges39 silver badges92 bronze badges
119	14	Hannah Vernon♦ 67.2k22 gold badges159 silver badges299 bronze badges
98	13	gbn 68.9k8 gold badges159 silver badges235 bronze badges
96	34	McNets 22.8k9 gold badges44 silver badges82 bronze badges
90	54	Lennart 21.3k2 gold badges27 silver badges62 bronze badges
86	13	Rob Farley 16k2 gold badges36 silver badges61 bronze badges
86	25	Andriy M 21.2k6 gold badges52 silver badges94 bronze badges
85	31	Evan Carroll 56.2k38 gold badges203 silver badges421 bronze badges
72	72	Akina 17.1k2 gold badges11 silver badges19 bronze badges
58	27	RDFozz 11.4k4 gold badges21 silver badges36 bronze badges
56	11	Taryn 9,4763 gold badges42 silver badges74 bronze badges
55	37	Vérace - Слава Україні 27.2k8 gold badges63 silver badges79 bronze badges
54	2	Jon Seigel 16.7k6 gold badges41 silver badges83 bronze badges

Top join Askers

Last 30 Days

7	1	Martin 1736 bronze badges
2	1	Hape 234 bronze badges
2	2	Thermatix 1234 bronze badges
1	1	Andrew Kloos 1134 bronze badges
1	1	dabadaba 1335 bronze badges
1	1	PaulMcF87 1113 bronze badges
1	1	Bax 2431 gold badge2 silver badges10 bronze badges

All Time

101	2	Michael Richardson 1,1271 gold badge8 silver badges9 bronze badges
100	1	sudo.ie 1,1012 gold badges8 silver badges5 bronze badges
95	2	jackhammer013 1,1111 gold badge10 silver badges11 bronze badges
74	2	Shaul Behr 2,8338 gold badges29 silver badges41 bronze badges
58	2	Erwin Brandstetter 152k19 gold badges370 silver badges513 bronze badges
50	23	Googlebot 4,17921 gold badges57 silver badges82 bronze badges
46	1	Martin 2,4014 gold badges23 silver badges34 bronze badges
46	2	David LeBauer 3,0228 gold badges29 silver badges33 bronze badges
43	2	Pratyush Dhanuka 5391 gold badge4 silver badges9 bronze badges
42	1	Daniel Hutmacher 8,8491 gold badge19 silver badges51 bronze badges
37	1	Tom Ellis 1,3893 gold badges12 silver badges13 bronze badges
35	1	Julien 5091 gold badge4 silver badges7 bronze badges
35	1	Stephane Rolland 7,3438 gold badges28 silver badges39 bronze badges
29	1	Hassan Baig 1,7298 gold badges24 silver badges40 bronze badges
28	1	Kokizzu 1,2195 gold badges16 silver badges28 bronze badges
26	1	Erik Bergstedt 3873 silver badges9 bronze badges
25	3	crokusek 1,9663 gold badges21 silver badges32 bronze badges
25	2	H. Pauwelyn 9084 gold badges15 silver badges35 bronze badges
23	1	Stuart Blackler 4,4027 gold badges26 silver badges42 bronze badges
22	1	Jeremy Boyd 6772 gold badges6 silver badges13 bronze badges

Only non community-wiki questions and answers are included in these totals (updated daily)

1,874

questions tagged

join

Synonyms

outer-join
join-conditions
full-outer-join
inner-join

join × 1874
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sql-server × 348
performance × 199
oracle × 112
query × 108
select × 103
query-performance × 102
subquery × 100
group-by × 92
optimization × 80
count × 66
index × 65
t-sql × 57
update × 56
union × 47
database-design × 46
mariadb × 46
aggregate × 45
view × 35
execution-plan × 30
foreign-key × 30
sqlite × 26
sql-server-2008 × 25

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