如SQL标准中所述，此函数返回输入字符串的八位字节长度或字节长度。

This function, as mentioned in SQL standard, returns the length of the input string in octets or bytes.

youdao

如SQL标准中所述，此函数返回输入字符串的八位字节长度或字节长度。

This function, as mentioned in SQL standard, returns the length of the input string in octets or bytes.

youdao