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join Questions

7	Last 7 Days	71.4% unanswered
18	Last 30 Days	50% unanswered
1,541	All Time	15.1% unanswered

Top join Answerers

Last 30 Days

4	1	a_horse_with_no_name 50.3k10 gold badges98 silver badges131 bronze badges
3	2	Akina 9,6691 gold badge5 silver badges13 bronze badges
3	2	Vérace 18.6k4 gold badges40 silver badges59 bronze badges
1	1	Randi Vertongen 13.8k3 gold badges18 silver badges44 bronze badges

All Time

396	128	ypercubeᵀᴹ 83.9k11 gold badges147 silver badges239 bronze badges
383	95	Erwin Brandstetter 110k12 gold badges237 silver badges370 bronze badges
261	60	RolandoMySQLDBA 153k25 gold badges248 silver badges415 bronze badges
213	17	Paul White Reinstate Monica♦ 50.9k16 gold badges318 silver badges498 bronze badges
182	25	a_horse_with_no_name 50.3k10 gold badges98 silver badges131 bronze badges
161	11	Martin Smith 71.9k10 gold badges189 silver badges276 bronze badges
134	25	Aaron Bertrand♦ 164k22 gold badges339 silver badges540 bronze badges
102	14	Max Vernon 60.3k13 gold badges127 silver badges257 bronze badges
93	13	gbn 66.3k7 gold badges144 silver badges228 bronze badges
83	105	Rick James 50.4k2 gold badges28 silver badges71 bronze badges
83	21	Andriy M 18.1k6 gold badges42 silver badges82 bronze badges
70	44	Lennart 16.4k2 gold badges14 silver badges45 bronze badges
69	10	Rob Farley 14.3k1 gold badge29 silver badges52 bronze badges
69	33	McNets 19.3k6 gold badges29 silver badges63 bronze badges
60	30	Evan Carroll 42.1k16 gold badges113 silver badges296 bronze badges
54	27	RDFozz 10.6k3 gold badges17 silver badges34 bronze badges
51	2	Jon Seigel 16.2k6 gold badges37 silver badges77 bronze badges
51	13	Daniel Hutmacher 8,3251 gold badge15 silver badges50 bronze badges
49	10	Taryn♦ 8,9693 gold badges38 silver badges70 bronze badges
46	23	joanolo 10.8k6 gold badges25 silver badges57 bronze badges

Top join Askers

Last 30 Days

1	1	Mike 112 bronze badges
1	1	vision 1137 bronze badges

All Time

76	2	Michael Richardson 8771 gold badge7 silver badges9 bronze badges
72	1	sudo.ie 8211 gold badge7 silver badges5 bronze badges
55	2	Shaul Behr 2,4956 gold badges25 silver badges38 bronze badges
53	2	Erwin Brandstetter 110k12 gold badges237 silver badges370 bronze badges
45	1	Martin 2,2814 gold badges19 silver badges31 bronze badges
45	2	jackhammer013 6211 gold badge8 silver badges11 bronze badges
40	2	David LeBauer 2,6336 gold badges25 silver badges31 bronze badges
40	1	Daniel Hutmacher 8,3251 gold badge15 silver badges50 bronze badges
39	2	Pratyush Dhanuka 4991 gold badge4 silver badges9 bronze badges
35	1	Julien 5091 gold badge4 silver badges7 bronze badges
34	15	Googlebot 3,34717 gold badges50 silver badges73 bronze badges
26	1	Erik Bergstedt 3873 silver badges9 bronze badges
25	3	crokusek 1,7433 gold badges15 silver badges28 bronze badges
24	1	Stephane Rolland 5,2937 gold badges23 silver badges36 bronze badges
21	1	Geoff Patterson 7,7371 gold badge23 silver badges49 bronze badges
21	1	Tom Ellis 9292 gold badges9 silver badges11 bronze badges
21	1	mpag 8835 silver badges16 bronze badges
19	1	Kerrek SB 2932 silver badges6 bronze badges
19	3	Juan Velez 2,84113 gold badges43 silver badges64 bronze badges
18	1	Stuart Blackler 4,0226 gold badges24 silver badges40 bronze badges

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

1,541

questions tagged

join

Synonyms

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

join × 1541
mysql × 589
sql-server × 296
postgresql × 263
performance × 183
oracle × 101
subquery × 88
select × 82
query-performance × 74
optimization × 72
group-by × 71
query × 68
count × 56
index × 53
t-sql × 50
update × 45
union × 39
aggregate × 37
database-design × 34
view × 30
execution-plan × 27
sql-server-2008 × 25
mariadb × 25
foreign-key × 24
innodb × 23

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