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请问各位大神,orAClE中UTL_RAW.CAST_TO_RAW函数是...

SELECT UTL_RAW.CAST_TO_RAW((SELECT 'ff' FROM dual)) from dual;

字符集问题 你的PL/SQL DEV的字符集不对 UTL_RAW.CAST_TO_VARCHAR2 converts a raw value into a value of data type VARCHAR2 with the same number of data bytes. The result is treated as if it were composed of single 8-bit bytes, not ...

SQL> create database link lnkrac connect to system identified by oracle using 'testrac'; Database link created. SQL> select count(*) from dba_objects@lnkrac; COUNT(*) ---------- 87031 SQL> set timing on SQL> select utl_raw.cast...

oracle的instr只能检索纯文本的,word是带格式的,甚至还可能是压缩的,自己的格式

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