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Function 
The
SQL syntax elements for Oracle Version 7 and SAP DB Version 7.4 in SQL mode ORACLE differ, among other things, in the definition of functions.
- The following Oracle functions are not supported as
functions in SAP DB:
- CHARTOROWID
- ROWIDTOCHAR
- CONVERT
- DUMP
- USERENV
- NLS_INITCAP
- NLS_LOWER
- NLS_UPPER
- TO_MULTI_BYTE
- TO_SINGLE_BYTE
- INSTRB
- LENGTHB
- SUBSTRB
string functions LPAD and RPAD is specified in SAP DB, the character string x cannot be longer than n.
When string function SUBSTR is specified in SAP DB, a cannot be less than 1.
When the function INSTR is specified, the parameter "n" must not be smaller than 1.
When functions TO_CHAR, TO_DATE, and TO_NUMBER are specified, the parameter "nlsparams" is not available.
