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14 lines
492 B
SQL
14 lines
492 B
SQL
drop table if exists fooL;
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drop table if exists fooR;
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create table fooL (a Int32, v String) engine = Memory;
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create table fooR (a Int32, v String) engine = Memory;
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insert into fooL select number, 'L' || toString(number) from numbers(2);
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insert into fooL select number, 'LL' || toString(number) from numbers(2);
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insert into fooR select number, 'R' || toString(number) from numbers(2);
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select distinct a from fooL semi left join fooR using(a) order by a;
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drop table fooL;
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drop table fooR;
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