insert into returning postgres

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

Golang yourself define data type query and insert the point data in PostgreSQLDetailed code such as the following: PackageMainImport("bytes" "Database/sql" "Database/sql/driver" "FMT"_"GITHUB.COM/LIB/PQ" "StrConv" "Strings")//define

When I first learned about MySQL, I saw the term undo log, but I didn't know what undo log was, so I had to figure out what undo log was before I could continue to see some MySQL data. What is the principle of undo log? How does it match the other

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,

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

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

First build a table in the PostgreSQL database, you can use the official PostgreSQL pgadmin to complete:CREATE TABLEuserinfo (UID serial not NULL, usernamecharacter varying( -) not NULL, Departnamecharacter varying( -) not NULL, Created