Difference btw LENGTH()  &  CHAR_LENGTH() ?
ApproachLENGTH(string)
Returns the number of bytes in the given string.
If the string contains multi-byte characters, the length will be greater than the number
# Approach
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**LENGTH(string)**
Returns the number of bytes in the given string.
If the string contains multi-byte characters, the length will be greater than the number of characters.

**CHAR_LENGTH(string) / CHARACTER_LENGTH(string)**
Returns the number of characters in the given string.
This is useful for handling multi-byte characters correctly.


# Code
```postgresql []
select tweet_id
from tweets
where char_length(content) > 15;
```
['PostgreSQL']