Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
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create table test (id int, c1 int, c2 int, c3 int, c4 int, c5 int, c6 int, c7 int);
insert into test values
(1, 1, 1, 1, 1, 1, 1, 1),
(2, 1, 1, 1, 1, 1, 1, 0),
(3, 1, 1, 1, 1, 1, 1, 2),
(4, 1, 0, 1, 1, 1, 0, 1);
SELECT id, (c1=1) + (c2=0) + (c3=1) + (c4=1) + (c5=1) + (c6=1) + (c7=1) FROM test
WHERE ((c1=1) + (c2=0) + (c3=1) + (c4=1) + (c5=1) + (c6=1) + (c7=1)) = 6
;
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