'how to check if the array is empty and length
I have table like this, the e-id is a array,it can be empty, one or more elements, how can I filter the id which has zero, one or more elements of e-id? thank you so much!
Solution 1:[1]
You could try to using the ARRAY_CONCAT function and check if the string is equal to ""
Sources
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Source: Stack Overflow
| Solution | Source |
|---|---|
| Solution 1 | Gerson Rodriguez |