[辅]《Oracle 行列转换的一道微软面试题》-相关代码
注: 以下代码是为本博另一篇博文《 Oracle 行列转换的一首微软面试题 》服务的, 光看这代码是无意义的. /* 创建 sale 表, 并填充数据 数据库: Oracle 10g */ create table SALE ( ym CHAR(6), sale_amt NUMBER(14,2) ) tablespace USERS pctfree 10 initrans 1 maxtrans 255 storage ( initial 64K minextents 1 maxextents unlimited ); comment on column SALE.ym is '年月'; comment on column SALE.sale_amt is '销售金额'; alter table SALE disable all triggers; delete from SALE; commit; insert into SALE (ym, sale_amt) values ('200001', 1000); insert into SALE (ym, sale_amt) values ('200002', 1100); insert into SALE (ym, sale_amt) values ('200003', 1200); insert into SALE (ym,