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SQLize Online / PHPize Online  /  SQLtest Online

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SQLize.online is a free online SQL environment for quickly running, experimenting with and sharing code. You can run your SQL code on top of the most popular RDBMS including MySQL, MariaDB, SQLite, PostgreSQL, Oracle and Microsoft SQL Server.

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CREATE TABLE test ( numlot varchar(10), verouille varchar(10), code int ); Insert test(numlot,verouille, code) values('LOT1', 'O', 1); Insert test(numlot,verouille, code) values('LOT1', 'N', 2); Insert test(numlot,verouille, code) values('LOT2', 'O', 3); Insert test(numlot,verouille, code) values('LOT2', 'O', 4); Insert test(numlot,verouille, code) values('LOT3', 'N', 5); Insert test(numlot,verouille, code) values('LOT3', 'N', 6); CREATE TABLE testlot ( numlot varchar(10) ); Insert testlot(numlot) values('LOT1'); Insert testlot(numlot) values('LOT2'); Insert testlot(numlot) values('LOT3'); Insert testlot(numlot) values('LOT4'); select tl.numlot, SUM(CASE t.verouille WHEN 'O' THEN 1 WHEN 'N' THEN 0 ELSE 0 END) as test, count(*) as test2 from testlot tl left outer join test t on t.numlot = tl.numlot Group by tl.numlot

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