alter table SD_SF.SF_YJGL00 add ( JKBID0 number(10) default 0, --收款缴款表ID TKBID0 number(10) default 0 --退款缴款表ID ); comment on column SD_SF.SF_YJGL00.JKBID0 is '收款缴款表ID'; comment on column SD_SF.SF_YJGL00.TKBID0 is '退款缴款表ID';