10 lines
147 B
Markdown
10 lines
147 B
Markdown
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```sql
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NVL(null, 'D') --> D
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NVL2(null, 'null', 'D') --> D
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NULLIF('D', 'D') --> Null
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NULLIF('D', 'DD') --> D
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COALESCE(null, 'D', '123') --> D
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```
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