分页: 1/349 第一页1234567891011121314151617181920... 349下页最后页[ 显示模式: 摘要 | 列表 ]
初识Java数据集,在设计报表和查询时,仅靠SQL有的需求是根本不够的,所以引入了Java数据集这个概念。通俗点讲 ...
ORA-01830:日期格式图片在转换整个输入字符串之前结束标签: javaoracle数据库exception。 问题出现的原因: ...

Redis高可用方案深入解析

[ 2017-02-17 14:43:01 | by 店小二03 ]
理解并从头搭建redis集群 部分开发人员工作当中只是在应用中使用redis,比如用来做数据结果的缓存。而且现 ...

PL/SQL in MariaDB

[ 2017-02-17 12:39:02 | by 店小二03 ]
The Oracle 12c manual says "Oracle PL/SQL provides functionality equivalent to SQL/PSM:2011, wit ...

MongoDB 升级3.4对均衡的影响

[ 2017-02-17 13:15:02 | by 店小二05 ]
数据库扩容要趁早再趁早 背景 公司有部门春节期间做活动, 产品中使用了 MonogDB 做弹幕消息的收发和一 ...

MongoDB 数组元素增删改

[ 2017-02-17 13:16:02 | by 店小二05 ]
与关系型数据库相比,MongoDB支持数组,将数组存储到文档之中。因此,与之对应的是数组的增删改查。对于有C ...
目前,编程人员面对的最大挑战就是复杂性,硬件越来越复杂,OS越来越复杂,编程语言和API越来越复杂,我们 ...

Mongodb数据迁移步骤

[ 2017-02-17 13:18:02 | by 店小二05 ]
Mongodb数据迁移步骤 需求:需要将一台linux上的mongodb数据迁移到另外一台linux上 例:A迁移到B 方案 ...
Building applications resilient to infrastructure failure is essential for systems that run in a dis ...

What Does a DBA Do All Day?

[ 2017-02-17 13:20:02 | by 店小二05 ]
What does a DBA do all day? It is clear to me that no one, except for database administrators, has ...

DBA Holy Wars

[ 2017-02-17 13:21:02 | by 店小二04 ]
On a lighter note than usual, I thought it was time I weighed in on some of the long standing “prog ...
1st Round(Skype) URL Shortener Stream coming coming in distinct element at any point ...
Important YARN configurationproperties February 13, 2017 byNiranjan Tallapalli ...

Hadoop 2.x Architecture

[ 2017-02-17 13:24:03 | by 店小二03 ]
Addressing the limitations of the hadoop1.x, hadoop2.x is designed in a generic way so as to accommo ...
If big data is your thing, you use R, and you’re headed to Strata + Hadoop World in San Jose March ...

Hadoop 1.x Architecture and Drawbacks

[ 2017-02-17 13:26:01 | by 店小二04 ]
Hadoop 1.x Architecture andDrawbacks February 13, 2017 byNiranjan Tallapalli Leave a comment ...
This is a continuation of our series highlighting why and how customers are deploying Talena. Other ...
前言 PostgreSQL是一个强大开源的对象关系类型数据库系统,它能运行于几乎所有主要的操作系统,包括Linux、 ...

Automating MapR with MapR Stanzas

[ 2017-02-16 22:24:01 | by 店小二05 ]
In my life as a technical marketeer for MapR I have configured more clusters than you can shake a st ...
About the Author Mark Needham, Developer Relations Engineer Mark Needham is a graph advocate an ...
After talking about increasing theVoron page size, let us talk about another very important optimiz ...
网上有关Redis分布式锁的文章可谓多如牛毛了,不信的话你可以拿关键词“Redis 分布式锁”随便到哪个搜索引擎 ...
【前言】 1.个人PC机配置:戴尔,笔记本,内存8G,硬盘西数500G,CPU酷睿i5 2.由于工作中需要经常在集群 ...
欢迎点击阅读MongoDB的技术文章和相关专题: 深度解读Facebook刚开源的beringei时序数据库 全球最 ...

Spark on YARN配置日志Web UI

[ 2017-02-16 14:53:01 | by 店小二04 ]
Spark部署在YARN之后,从Standalone模式下的Spark Web UI直接无法看到执行过的application日志,不利于性能 ...
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