Obsidian/Recognition/Programing/Tibero/NVL관련.md

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2024-02-11 12:29:05 +00:00
```sql
NVL(null, 'D') --> D
NVL2(null, 'null', 'D') --> D
NULLIF('D', 'D') --> Null
NULLIF('D', 'DD') --> D
COALESCE(null, 'D', '123') --> D
```