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Categories and Subcategories (MariaDB)
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DESCRIBE categorias; | |
SELECT CONCAT ( | |
t1.nome | |
, IFNULL (CONCAT (' → ', t2.nome), '') | |
, IFNULL (CONCAT (' → ', t3.nome), '') | |
, IFNULL (CONCAT (' → ', t4.nome), '') | |
) AS fullpath | |
FROM categorias AS t1 | |
LEFT JOIN categorias AS t2 ON t2.parent_id = t1.id | |
LEFT JOIN categorias AS t3 ON t3.parent_id = t2.id | |
LEFT JOIN categorias AS t4 ON t4.parent_id = t3.id | |
WHERE t1.parent_id IS NULL; | |
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+-----------+--------------+------+-----+---------+----------------+ | |
| Field | Type | Null | Key | Default | Extra | | |
+-----------+--------------+------+-----+---------+----------------+ | |
| id | int(11) | NO | PRI | NULL | auto_increment | | |
| parent_id | int(11) | YES | MUL | NULL | | | |
| nome | varchar(32) | NO | | NULL | | | |
| descricao | varchar(256) | YES | | NULL | | | |
+-----------+--------------+------+-----+---------+----------------+ | |
+--------------------------------------------------------+ | |
| fullpath | | |
+--------------------------------------------------------+ | |
| Porta Retrato → Onda | | |
| Porta Retrato → Mozaico | | |
| Porta Retrato → Maré → Maré Damas | | |
| Porta Retrato → Antigue | | |
| Porta Retrato → Frases Quadrados | | |
| Porta Retrato → Frases Linhas | | |
| Porta Retrato → Clips | | |
| Porta Retrato → Teen | | |
| Porta Retrato → Cursos | | |
| Porta Retrato → Diversos | | |
| Porta Retrato → Formatura | | |
| Porta Retrato → Aniversário | | |
| Porta Retrato → Amor | | |
| Porta Retrato → Coração → Mamãe → Com o Filho | | |
| Painel de Fotos → Amor | | |
| Painel de Fotos → Mãe | | |
| Kit Chimarrão | | |
+--------------------------------------------------------+ | |
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