SQLite - Except (Minus)

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Relational Operator - Set-Difference (Except/Minus) in sqlite

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Example

• First table bag

CREATE TABLE bag1 (ELEMENT char);
insert into bag1 (element) values (1);
insert into bag1 (element) values (1);
insert into bag1 (element) values (2);
select * from bag1;

1
1
2

CREATE TABLE bag2 (ELEMENT char);
insert into bag2 (element) values (1);
insert into bag2 (element) values (2);
select * from bag2;

1
2

• Except

select element from bag1
EXCEPT 
select element from bag2;

// empty