这是一个极为广泛的专题,涵盖从建模和执行到信息技术和支助等所有事项。 不可能真正回答所有这些问题,特别是没有详细了解你的情况。 然而,你似乎正在探讨各种选择和途径。 因此,我只是把一些一般食物转嫁给一些人,以作为实施一些制度的人。

Everybody seems to think their new database paradigm is a replacement for relational databases. So, take those claims with a grain of salt.

我想谈谈三个基本模式:相对、文件和图表。 视你的问题,其中一项或多项是正确的答案。 除了关系外,我不会做任何财务事项(SQL)。 如果你正在建造一个中央人事管理系统,那么一个非行就是前进的道路。 如果我的申请是示范网络(道路、人、连接、网络等) 我使用“新”4J。

就生产质量而言,每个类别都有坚实的选择。 亲属有一席之地。 文件数据库I d go MongoDB或Apache Jackrabbit等更高一级的联合支助系统。 就图表而言,我只拥有新4j的经验,这对我来说是坚实的。

Whatever you do, don t buy into the hype that "We have the one technology that solves all your problems." It s not there and it narrows your thinking.

I m convinced Neo4j is a good replacement for relational databases by now.

• It is ACID compliant
• Though the community version lacks some features like hot backups, the enterprise edition has
• You can get support for it
• At first sight (and in the new releases where you don t need a START clause) its query language CYPHER can do almost anything SQL can

but

• it s harder to find a CYPHER developer than a SQL one
• and it does not have an equivalent optimizer: it matters more than with SQL how you write the query

虽然它支持复制,并明确将它作为大数据产品市场,但我可以确认,它足够可衡量,我没有研究安全方面的问题。

In recent releases (younger that the question above), one can define indexes on labels, which work like indexes on tables in a relational DB, allowing for O(log(n)) lookups.

(fyi:Nang4j没有表格,但每个网点(~=row)都有不同的标签,可与电子邮件标签相仿。 这更加灵活:你不必选择把汽车和自行车放在一辆车桌上,或者没有:自行车和自行车标签。

To answer the original question: Neo4j does hardly support for schema enforcement. Neo advices implementing automated consistency tests on your database, which you run on your acceptance test instance as part of your release cycle.

Using an enterprise db such as oracle will give you many, many features which may or may not be part of neo. These include:

• ACID transactions
• High availability / backups / standby
• ability to use sql to get data in the most efficient way using a cost based optimizer - the db determines the best way to retrieve the data based on your latest statistics
• Scalability, partitioning
• support
• security

如果你将履行你在守则中应用的大多数功能,而不需要先辈提供的结构和先进特征,或者如果你的数据结构更适合用所有手段进行新审判的图表。 原因是,大多数公司用的是传统购物服务器之一,但今后可能并不总是如此。