数据库日期类型数据java转化 数据库 数据库学习 日期类型数据 java转化
数据库日期类型数据java转化。CommUtil为工具类 在页面转换数据库读出的日期格式 :$!CommUtil.formatLongDate($!obj.lastLoginDate)在服务器端转换数据库读出的日期格式 :CommUtil.formatLongDate(obj.getLastLoginDate())
View Articlenls_instance_parameter中NLS_LANG是否受OS环境变量影响测试 数据库 数据库学习 OS环境 ...
nls_instance_parameter中NLS_LANG是否受OS环境变量影响测试，nls_instance_parameters取值与v$system_parameter一致,下面让我们看一下v$system_parameter 在官方文档的定义：V$SYSTEM_PARAMETER displays information about the initialization...
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Database Migration tools for Mongo DB
When it comes to the problem of migrating database structure, some of you may think about relational databases: there a strict schema, and to remove something(field, table, index, etc.), you need to...
View ArticleCouchbase Customer Advisory Note - Security
In light of the recent widespread news about security vulnerabilities in MongoDB and Elasticsearch , we want to proactively remind our customers of Security Best Practices for Couchbase. At this time...
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Announcing the Latest Hortonworks Data Cloud Release!
We are pleased to announce the latest release of Hortonworks Data Cloud for AWS . This release (version 1.11 for those that are keeping score) continues to drive towards the goal of making data...
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星环科技创始人兼CTO孙元浩：后Hadoop时代，分布式计算已成为...
来源：数据猿 作者：孙元浩 本文为数据猿年关策划活动《大数据的2016，我的2016》系列稿件，感谢本文作者 星环科技创始人兼CTO 孙元浩 先生的投稿。 敬请期待 2月16日 ，由数据猿与中欧商学院、腾讯视频共同举办的高端领袖线下演讲栏目 中欧微论坛之《超声波》 。 一、Hadoop十年发展史 从2006年开始算起, Hadoop已经有十年的发展历史。Hadoop之父Doug...
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Cloudera Manager 架构设计和原理剖析（PPT）
今天给大家分享Cloudera Manager架构设计和原理剖析，是我参加某商业活动进行演讲的Keynote幻灯片，如果你在“DT(DataTechnology)”中，请忽略本次分享内容。...
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集群环境下的Session共享
一、Cookie机制和Session机制回顾 1）定义：Session成为“会话”，具体是指一个终端用户与交互系统进行通信的时间间隔，通常指从注册进入系统到注销退出系统之间所经过的时间。Session实际上是一个特定的时间概念。 2）HTTP协议与状态保持：HTTP...
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Jumping from SQL to Firebase NoSQL Database
This is a guest post by Jorge Vergara who has written many tutorials about using Firebase in Ionic apps. In this post he writes about how to structure and update your data in a NoSQL database like...
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Percona Server for MongoDB 3.4.1-1.1 Release Candidate is Now Available
Percona announces the release of Percona Server for MongoDB 3.4.1-1.1rc on February 6, 2017. It is the first release candidate in the 3.4 series. Downloadthe latest version from thePercona web siteor...
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Getting Comfortable with Couchbase Mobile: Sync Gateway via the Command Line
Introduction This continues my my "Getting Comfortable with Couchbase Mobile" series (post #5). This time we'll look at exploringSync Gateway from the command line. This can be really helpful, both...
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Neo4j is faster than MySQL in performing recursive query
A user on StackOverflow was wondering about the performance between Neo4j and mysql for performing a recursive query. They started with Neo4j performing the query in 240 seconds. Then an optimized...
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Integrating OData and DocumentDb with Azure Functions
This is the finale in a series of posts that aimed to provide an alternative to Azure Mobile Apps based on Azure Functions and DocumentDb. I started with discussing how torun a CRUD HTTP API, then...
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Enterprise hits and misses financial software gets modern, and AI goes dark
diginomica hit: The state of financial software in early 2017 hot, cloudy, competitiv e by Brian Sommer quotage: “ Even some channel partners at Acumatica’s event this week volunteered to me that...
View ArticleMongoDB 3.4.2 发布，分布式文档存储数据库
MongoDB 3.4.2 已于 2 月 2 日发布。有以下更新： 改进 [ SERVER-24695 ] - burn_in_tests.py should have a mechanism for blacklisting tests and suites similar to resmoke.py [ SERVER-26545 ] - Remove fixed-size limitation...
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【DBA精华系列】SQL Server 2012列存储索引技术
title: SQL Server 2012列存储索引技术 author: 风移 摘要 MS SQL Server 2012首次引入了列存储索引（Columnstore Index）来加速数据分析（OLAP）和数据仓库（Data...
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Neo4j Type Provider
Why am I doing this? One of the most awesomest things about F# is Type Providers . There are Type Providers for, like, everything. A while ago I found a Neo4j Type Provider built by Pete Bayne , who...
View ArticleMongdb for DBAs: Week4
Replication Why replication? high availability (when server failure occurs) durability scaling in some situations disaster recovery Asynchronous vs syncronous replication In asynchronous replication,...
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Blending Cucumber, Cassandra and Akka-Http
Folks, Knoldus has always pioneered the deep diving into the best ways to use cutting edge technologies. In the past few days, one of our team carried this deed by integrating Cucumber with Akka-Http,...
View ArticleUsing SQL Server and R Services for analyzing DBA Tasks
We have shown many cases in previous articles about where and how SQL Server R Services can be used, how to plot and visualize the data, and discussed the benefits. This article will tackle, for many...
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