摘要： What is an ABAP data dictionary? ABAP 4 data dictionary describes the logical structures of the objects used in application development and shows how they are mapped to the underlying relational data... 阅读全文

摘要： Local objects (Dev class$TMP) are independent of correction and transport system. 阅读全文

摘要： ACCP, Char, CLNT, CUKY, CURR, DATS, DESC, FLTP, INT1, INT2, INT4, LANG, LCHR, LRAW, NUMC, PREC, QUAN, RAW, TIMS, UNIT,VARC. 阅读全文

摘要： The external layer: The external layer is the plane at which the user sees and interacts with the data, that is, the data format in the user interface. This data format is independent of the database system used. The ABAP/4 layer: The ABAP/4 layer describes the data formats used by the ABAP/4 processor. The DataBase layer: The database layer describes the data formats used in the database Conversion between ABAP/4 data types and the database layer is done within the database interface. Conv 阅读全文