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This commit is contained in:
Nikiroy78 2023-03-12 01:55:57 +03:00
parent d10adc78d6
commit efeaf3a812
2 changed files with 14 additions and 1 deletions
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5
1.nodejs_js/1.1.sql Normal file
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@ -0,0 +1,5 @@
SELECT id
FROM departments
WHERE NOT EXISTS (
SELECT * FROM dep_names WHERE dep_names.id = departments.id
);

10
1.nodejs_js/readme.md
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@ -24,6 +24,14 @@ CREATE TABLE public.dep_names (
SELECT id SELECT id
FROM departments FROM departments
WHERE NOT EXISTS ( WHERE NOT EXISTS (
SELECT * FROM dep_names WHERE dep_names.id = departments.id SELECT * FROM dep_names WHERE dep_names.department_id = departments.id
); );
``` ```
1.2. Запрос (SELECT) для построения списка departments.id, для которых есть 2 и более названий.
```sql
SELECT id
FROM departments
WHERE (
SELECT count(name_tsvector) FROM dep_names WHERE dep_names.id = departments.id AND dep_names.name_tsvector != NULL
) >= 2;
```