auto increment postgres

ObjectiveWhen data is partitioned, it is typical for a sub-database to have a global ID generated problem. Simply generating a global ID is not a challenge, but the generated ID usually satisfies some of the requirements of the Shard:There can be no

ArticleDirectory I. Software Packages I. Software Packages 1. zlib-1.2.5.tar.gz 2. postgresql-9.0beta2.tar.gz Ii. Installation Steps 1. Tar zxvf zlib-1.2.5.tar.gz 2. CD zlib-1.2.5 3../configure-Prefix =/usr/local/zlib make

An ID generation policy must be assigned to each user in the system for subsequent user identification. This demand should be very common and will not be a problem for systems with a small number of users, but it is not a simple problem for Internet

PostgresqlPostgreSQL supports code first to generate tables automatically, although the default schema is dbo instead of public, and auto-increment primary keys can also be generated automatically.XML version= "1.0" encoding= "Utf-8"?> Configuration>

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

Although PHP is a powerful tool for building WEB systems, the functionality of PHP Access databases has not been standardized, and each database uses a different and incompatible application interface (API). In order to fill this shortcoming, there

Although PHP is a powerful tool for building WEB systems, the functionality of PHP Access databases has not been standardized, and each database uses a different and incompatible application interface (API). In order to fill this shortcoming, there

: Network Disk DownloadContent Introduction· · · · · ·This book is a complete guide for Python developers-full upgrade for Python 2.5• Learn the professional Python style, best practices and good programming habits;• Enhanced in-depth understanding

Entity Framework 6 Connection PostgreSQL, SQLite, localdb Considerations and configuration Files-Xuantime 2014-09-03 01:05:00 Blog Park essence Area Original http://www.cnblogs.com/znlgis/p/3952673.html PostgresqlPostgreSQL supports code first to