postgis performance

MySQL vs. PostgreSQL MysqlRelatively young, appearing for the first 1994 years. It claims to be the most popular open source database. MySQL is the M in the lamp (for web development packages, including Linux, Apache, and Perl/php/python). Most

The Linux release version is Ubuntu server 6.06, And the Ubuntu version is only 8.1. To be an early adopter, 8.2.0 has improved the compatibility based on the Windows platform to facilitate the conversion of the platform. At the same time, you can

three major applications of GIS The first category is the government application, "e-government" is the current government to strengthen the information construction of the new direction, refers to the modern computer, network communications and

This is a test that was done a long time ago, recently in the collation of the PostgreSQL data related to the test, so also took it out to share with you.First explain the so-called PostgreSQL space performance, mainly based on the postgis of

On the date of the foss4 g conference, I will introduce some OpenGIS standards, architectures, and software for implementation on the blog recently. On the one hand, I will give a quick start overview to my friends who are interested in this trip,

1. PrefaceThis week, I did some preliminary exploration of open source software and related technologies and processes involved in the open source solution for GIS, as well as some of the more mature cases that other companies have done with open

Spatial indexIndex we have used, it is a special storage structure, like the library of books in the classification of storage strategy or Modern Library book query system, can help us quickly find the book we need. In the database, the storage of

On the date of the foss4 g conference, I will introduce some OpenGIS standards, architectures, and software for implementation on the blog recently. On the one hand, I will give a quick start overview to my friends who are interested in this trip,

OpenGIS (Open geodata interoperation specification, ogis-open geographic data interoperability specification) was proposed by the American OGC (OpenGIS Association, OpenGIS Consortium. As a non-profit organization, OGC aims to promote the adoption

[The copyright of this article is owned by the xiaotie@vip.sina.com, reproduced by the author's consent.] Problems ...... Performance tests show that the performance of the current architecture is relatively low. Test environment: pc cpu inter