In ATL, the COM using ProC/C++ to operate on BLOB in oracle is described. And it has been used in actual control system based on Web services architecture.We use LOBs to store many circuit diagram, data, large documen...In ATL, the COM using ProC/C++ to operate on BLOB in oracle is described. And it has been used in actual control system based on Web services architecture.We use LOBs to store many circuit diagram, data, large document, etc. Why use BLOBs? With Oracle8i, BLOBs can store up 4GB data. This doubles the 2GB data that LONG and LONG RAW data types展开更多
文摘In ATL, the COM using ProC/C++ to operate on BLOB in oracle is described. And it has been used in actual control system based on Web services architecture.We use LOBs to store many circuit diagram, data, large document, etc. Why use BLOBs? With Oracle8i, BLOBs can store up 4GB data. This doubles the 2GB data that LONG and LONG RAW data types