mysql+oracle+sqlserver 查询数据库内所有表的信息,表名,索引,数据行数,备注,长度等等
SELECT表名=casewhena.colorder=1thend.nameelse''end,索引=j.name,表数据行数=o.hs,表说明=casewhena.colorder=1thenisnull(f.value,'')else''end,字段序号=a.colorder,字段名=a.name,标识=casewhenCOLUMNPROPERTY(a.id,a.name,'IsIdenti