7、ZTO四张数据表中,包含多个年度的数据,部分字段与审计内容无关,因此我们需要对数据进行清洗。利用PL/SQLDeveloper的查询分析功能,提取会计科目表,SQL语句如下:create table KMDM as select FKMDM, FKMMC, FJDFX, FKMJB from ZW_KMDM where FYEAR=2011提取科目余额表,SQL语句如下:create table KMYE as select distinct ZW_KMYE.FYEAR,ZW_KMYE.FTERM,ZW_KMYE.FKMDM,ZW_KMYE.FQCY
8、E,ZW_KMDM.FJDFXfrom ZW_KMDM,ZW_KMYE where ZW_KMDM.FKMD