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32 lines
1.4 KiB
SQL
32 lines
1.4 KiB
SQL
drop table if exists X;
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drop table if exists Y;
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create table X (id Int32, x_name String) engine Memory;
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create table Y (id Int32, y_name String) engine Memory;
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insert into X (id, x_name) values (1, 'A'), (2, 'B'), (2, 'C'), (3, 'D'), (4, 'E'), (4, 'F'), (5, 'G'), (8, 'H'), (9, 'I');
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insert into Y (id, y_name) values (1, 'a'), (1, 'b'), (2, 'c'), (3, 'd'), (3, 'e'), (4, 'f'), (6, 'g'), (7, 'h'), (9, 'i');
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select 'inner';
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select X.*, Y.* from X inner join Y using id order by X.id, Y.id, X.x_name, Y.y_name;
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select 'inner subs';
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select s.*, j.* from (select * from X) as s inner join (select * from Y) as j using id order by s.id, s.id, s.x_name, j.y_name;
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select 'left';
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select X.*, Y.* from X left join Y using id order by X.id, Y.id, X.x_name, Y.y_name;
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select 'left subs';
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select s.*, j.* from (select * from X) as s left join (select * from Y) as j using id order by s.id, j.id, s.x_name, j.y_name;
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select 'right';
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select X.*, Y.* from X right join Y using id order by X.id, Y.id, X.x_name, Y.y_name;
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select 'right subs';
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select s.*, j.* from (select * from X) as s right join (select * from Y) as j using id order by s.id, j.id, s.x_name, j.y_name;
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select 'full';
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select X.*, Y.* from X full join Y using id order by X.id, Y.id, X.x_name, Y.y_name;
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select 'full subs';
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select s.*, j.* from (select * from X) as s full join (select * from Y) as j using id order by s.id, j.id, s.x_name, j.y_name;
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drop table X;
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drop table Y;
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