postgres create table auto increment

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Global ID Generation for shards (sharding)

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

Instagram ID generation policy [translation]

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

ADODB PHP in ADODB class explanation

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

PHP in ADODB class _php tutorial

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

Spatial index-usage reports for each database spatial index

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

Entity Framework 6 Considerations and configuration files for connecting PostgreSQL, SQLite, LocalDB

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>

. NET of ef+postgresql matters.

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

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