FunctionsString

chr

Returns a one-byte string from an integer code in [0,255]. Non-integral or out-of-range values produce NULL.

chr(…) → String

Kind · scalar

Returns a one-byte string from an integer code in [0,255]. Non-integral or out-of-range values produce NULL.

Part of the String family.

btrim

Removes leading and trailing whitespace, or characters from an optional trim-set argument, for each input row.

concat

Concatenates all provided arguments per row. NULL arguments are ignored; numeric arguments are stringified.