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ABAP Keyword Documentation → ABAP Glossary →SAP Code Page Number
SAP internal identification for a code page that is stored in the TCP00 database table. If the byte order of a code page is relevant, an individual SAP code page number is assigned to it there for each endian. For example, the code page numbers for UTF-16 are 4102 (big endian) and 4103 (little endian).