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ABAP Keyword Documentation → ABAP − Reference → Processing Internal Data → Character String and Byte String Processing → Character and Byte String Processing - Overview →Character Strings and Byte Strings
Character Strings
Character-like data objects contain character strings. A character-like data object either has a character-like data type (c, d, n, t, or string) or it is a flat structure with exclusively character-like components. The binary content of the characters of a character string is determined by the current environment code page.
Outside of Unicode programs, it is possible to handle any kind of flat structure or byte-like data object as a character string.
Byte chains
Byte-like data objects contain byte strings. A byte-like data object always has the byte-like data type x or xstring.