--临时表结构
create table RECOMMEND_SERVICE_TMP ( ID NUMBER not null, MEMBER_ID NUMBER not null, COMPANY_ID NUMBER not null, RECOMMEND_SERVICE NUMBER not null ) tablespace USERS pctfree 10 initrans 1 maxtrans 255 storage ( initial 64K minextents 1 maxextents unlimited );--插入数据表结构
create table RECOMMEND_SERVICE ( ID NUMBER not null, GMT_CREATE DATE not null, GMT_MODIFIED DATE not null, MEMBER_ID NUMBER not null, COMPANY_ID NUMBER not null, RECOMMEND_SERVICE NUMBER not null ) tablespace USERS pctfree 10 initrans 1 maxtrans 255 storage ( initial 64K minextents 1 maxextents unlimited );
insert into RECOMMEND_SERVICE_TMP (ID, MEMBER_ID, COMPANY_ID, RECOMMEND_SERVICE) values (1, 1, 1, 1); insert into RECOMMEND_SERVICE_TMP (ID, MEMBER_ID, COMPANY_ID, RECOMMEND_SERVICE) values (2, 2, 2, 2); insert into RECOMMEND_SERVICE_TMP (ID, MEMBER_ID, COMPANY_ID, RECOMMEND_SERVICE) values (3, 3, 3, 3); insert into RECOMMEND_SERVICE_TMP (ID, MEMBER_ID, COMPANY_ID, RECOMMEND_SERVICE) values (4, 4, 4, 4); insert into RECOMMEND_SERVICE_TMP (ID, MEMBER_ID, COMPANY_ID, RECOMMEND_SERVICE) values (5, 5, 5, 5); commit;
insert into recommend_service (id, gmt_create, gmt_modified, member_id, company_id, recommend_service) (select seq_xm_test001.nextval as id, sysdate, sysdate, member_id, company_id, recommend_service from recommend_service_tmp)
--取系统时间和序列
select seq_bureau_test_req_id.nextval as id from dual; -- 通过系统表(dual)一次只能取出一个序列 select seq_bureau_test_req_id.nextval as id from mail; -- 通过用户自定义的表(mail) 取序列,则表中有多少条数据就可以取多少个序列 select sysdate from files; --files是用户创建的任意一张表=,表中不包含sysdate字段