Propriedades do join
Ao clicar duas vezes em uma conexão entre dois campos vinculados no editor de consulta ou ao escolher Inserir - Nova relação, a caixa de diálogo Propriedades da associação aparecerá. Essas propriedades serão utilizadas em todas as consultas criadas no futuro.
Tabelas utilizadas
Especifica duas tabelas que você deseja associar.
Campos utilizados
Especifica dois campos de dados que estarão unidos por uma relação.
Opções
Tipo
Specifies the join type of the selected join. Some databases support only a subset of the various possible types.
Associação Interna
In an inner join, the results table contains only those records for which the content of the linked fields is the same. In LibreOfficeDev SQL this type of link is created by a corresponding WHERE clause.
Associação à Esquerda
In a left join, the results table contains all records of the queried fields from the left table and only those records of the queried fields from the right table for which the content of the linked fields is the same. In LibreOfficeDev SQL this type of link corresponds to the LEFT OUTER JOIN command.
Associação à Direita
In a right join, the results table contains all records of the queried fields from the right table and only those records of the queried fields from the left table for which the content of the linked fields is the same. In LibreOfficeDev SQL this type of link corresponds to the RIGHT OUTER JOIN command.
Associação Integral
In a full join, the results table contains all records of the queried fields from the left and right tables. In the SQL of LibreOfficeDev this type of link corresponds to the FULL OUTER JOIN command.
Natural
In a natural join, the keyword NATURAL in inserted into the SQL statement that defines the relation. The relation joins all columns that have the same column name in both tables. The resulting joined table contains only one column for each pair of equally named columns.