产品or项目方法:
战略 --> 范围 --> 关系 --> 设计
设计过程:
本能设计 --> 行为设计 --> 反思设计
HttpClient容易忽视的细节——连接关闭
http://seanhe.iteye.com/blog/234759
Oracle tns配置
dev-***=
(description=
(address_list=(address=(protocol=tcp)(host=*.*.*.*)(port=1521)))
(connect_data=(service_name=service_name_1)(server=dedicated))
)
dev-**** =
(description =
(address = (protocol = tcp)(host = *.*.*.*)(port = 1521))
(connect_data =
(sid = sid1)
)
)
oracle数据闪回
update/delete ......
select current_scn from v$database;
select * from table as for scn scn_no
select * from table as timestamp to_timestamp(datetime);
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