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Add a bit more to the latest TIL
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@@ -39,3 +39,15 @@ create table folders (
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The first argument to `concat_ws` is the separator I want to use. The remaining
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The first argument to `concat_ws` is the separator I want to use. The remaining
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arguments are the strings that should be concatenated with that separator.
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arguments are the strings that should be concatenated with that separator.
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One other things that is nice about `concat_ws` is that it will ignore `null`
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values that it receives.
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```sql
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> select concat_ws(':', 'one', 'two', null, 'three');
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+---------------+
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| concat_ws |
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|---------------|
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| one:two:three |
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+---------------+
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```
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