postgres returning example

Postgres uses returning to implement last_insert_id of mysql. Today, I am asked if postgres has inserted a value like mysql and returned the inserted value. This is yes and has higher scalability. Example: [S @ localhost ~] $ Psqlpsql (9.2.4)

Recently, I have been working on a project related to PostgreSQL database, documenting the knowledge that I have learned in this process. About PostgreSQL database online already have too many relevant introduction, in order to blog the system or

5.ModifyTable nodeLet's look at an example of a modifytable node:postgres=# explain update test_01 set id = 5 where name = 'xxx'; QUERY PLAN--------------------------------------------------------------- Update on test_01

Then read with me. PostgreSQL source Code (ix)--executor (the--scan node (top) of the query execution module), this chapter ends the remaining seven scan nodes. T_SubqueryScanState, T_FunctionScanState, T_ValuesScanState, T_CteScanState,

This part should be introduced at the very beginning, but I think it will be more profound to look back on the configuration after I have some knowledge of Kong. Next, make a detailed explanation of the parameters in this configuration file to

PostgreSQL 9.5.1 official document Study Notes This document is applicable to the latest version of PostgreSQL 9.5.1. I am new to PostgreSQL and may not miss this article. please correct me. With more understanding, this article [may] will be

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

PostgreSQL Advantage2016-10-20 21:36 686 People read comments (0) favorite reports Classification:MySQL Database (5)PostgreSQL is a free object-relational database server (database management system), which is very powerful. Includes support for

Docker is an open-source application container engine that allows developers to package their applications and dependencies into a portable container, and then publish them to any popular Linux machine or virtualize them. – Baidu Encyclopedia

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