我正在使用一个假脱机到csv文件中的sql查询,由单引号分隔。我需要减去2列,但不能使用减号运算符。* and /可用,但不能用+和-。select ''''||10-2||'''' from dual -> Does not workselect ''''||10*2||'''' from dual -> works
Record 11457: Rejected - Error on table USAGE_DATA.ORA-12571: TNS:packet writer failure
SQL*Loader-2026: the load was aborted because SQL Loader cannot cont