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September Morn Update

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Ingy döt Net 2019-09-12 10:33:56 -07:00
parent 4e2d22a71d
commit aac6731f2c
6856 changed files with 141342 additions and 21127 deletions
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30
Task/Hash-join/SQL/hash-join-1.sql
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@ -1,13 +1,19 @@
create table people (age decimal(3), name varchar(16));
insert into people (age, name) values (27, 'Jonah');
insert into people (age, name) values (18, 'Alan');
insert into people (age, name) values (28, 'Glory');
insert into people (age, name) values (18, 'Popeye');
insert into people (age, name) values (28, 'Alan');
-- setting up the test data
create table nemesises (name varchar(16), nemesis varchar(16));
insert into nemesises (name, nemesis) values ('Jonah', 'Whales');
insert into nemesises (name, nemesis) values ('Jonah', 'Spiders');
insert into nemesises (name, nemesis) values ('Alan', 'Ghosts');
insert into nemesises (name, nemesis) values ('Alan', 'Zombies');
insert into nemesises (name, nemesis) values ('Glory', 'Buffy');
create table people (age number(3), name varchar2(30));
insert into people (age, name)
select 27, 'Jonah' from dual union all
select 18, 'Alan' from dual union all
select 28, 'Glory' from dual union all
select 18, 'Popeye' from dual union all
select 28, 'Alan' from dual
;
create table nemesises (name varchar2(30), nemesis varchar2(30));
insert into nemesises (name, nemesis)
select 'Jonah', 'Whales' from dual union all
select 'Jonah', 'Spiders' from dual union all
select 'Alan' , 'Ghosts' from dual union all
select 'Alan' , 'Zombies' from dual union all
select 'Glory', 'Buffy' from dual
;