postgres get next sequence value

The last in a series of Postgres posts, Pat Shaughnessy wrote based on he presentation at the Barcelona Ruby Conference. You can also watch the video recording of the presentation. The series was originally published in his personal blog, and we is

PostgreSQL provides developers with a rich set of tools to manage concurrent access to data. Internally, data consistency is maintained by using a multi-version model (multi-version concurrency control, MVCC). This means that each SQL statement sees

? POSTGRES-XL: PostgreSQL-based open source extensible DB cluster The recent year the industry to the "IoE" more calls louder, many traditional enterprises have to go to the "IoE" program on the desktop. I always wonder what motivates these

This is a creation in Article, where the information may have evolved or changed. Blot Bolt is a pure Go Key/value database inspired by Howard Chu's LMDB project. The goal of this project is to provide a simple, fast and reliable database for

In this chapter, you will be presented with a new technology to become a BDR. Two-way Replication (BDR), in the world of PostgreSQL, it is definitely a rising star. In the near future, many new things will be seen, and people can expect a thriving

I have a lazy idea. How should this good idea begin? Well, this is an appropriate little madness: Why not build our own MongoDB version directly on the basis of postgres? It sounds far-fetched, but it's simple and real. When the NoSQL movement was

Pip Install PSYCOPGPython PSYCOPG2 Module APIsThe following is an important module routine for PSYCOPG2 to meet the Python program's work with the PostgreSQL database. S.N. API & Description 1 psycopg2.connect

1.createdb database nameGenerate Database2.DROPDB database nameDeleting a database3.CREATE User NameCreate user4.drop User NameDelete User5.SELECT usename from Pg_user;View System User Information\du7.SELECT version ();View version Information8.psql

It is not difficult to realize that the core content of the optimized statement execution is the processing of various scheduling nodes from the optimized statements described earlier, and because of the design of node representation, recursive

E-commerce This paper demonstrates the application of PHP and Postgressql in e-commerce through a simple Web application. Not long ago, if a serious web application was to be structured, it meant buying expensive cold Fusion licenses and a