PostgreSQL

master:10.0.1.114slaver:10.0.1.116One, yum installation 80310285Second, the master-slave configuration1. Master data Configuration (10.0.1.114)1.1 Initialization　　1.2 Starting PostgreSQLSystemctl Start postgresql-9.6　　1.3 Switch to Postgres User

First, make sure that you have PostgreSQL installed. You can refer to my this article PostgreSQL literacy tutorial.Use Eclipse to create a new JPA project:Platform chooses Eclipselink as one of the JPA provider.The automatically generated project in

"Class=" Wiz-editor-body wiz-readonly "contenteditable=" false ">Postgresql provides a system of rules. A rule system is a system that queries rewrite rules. From the usage, some functions of the rule system can be implemented by functions and

1. When you start recovery, determine the time line that you restored to Recoverytargettli1) Archive recovery point is larger than the time line recorded in Checkpoint, then select Archive recovery point as target timeline2) Otherwise, the time line

1. Pg_dump Database Backup Command/usr/pgsql-9.3/bin/pg_dump-f c-o-u dotop-h 127.0.0.1-p 5432-f/data/erp_data/db_backup/geyt_20170214_09_37_55.sql ge Yt2.Linux Configuring PostgreSQL automatic backup Description: Use the system user Dotop to

When sorting and paging at the same time, if the sorted field x is not a unique field, the order is random when the X field of multiple records has the same value.This has the potential to cause duplication of data when paging. A page and the

Create user and Password: Crate user username with password ' password '; createAlter user username with password ' password '; Modify User PasswordView user information: SELECT * from Pg_shadow;Creating a library: Create Database dbname;Switch

The project was originally based on Oracle, and after porting to PostgreSQL, the script that created/updated the view followed the Oracle-style create or REPLACE view form, with minimal modification. However, whenever the view definition is to be

Backup of PostgreSQL DatabaseFirst, establish a database connectionCommand: PSQL-H IP address-P Port-U database user name-D database namePsql-h 127.0.0.1-p 5432-u postgres-d postgresPsql Command connection optionsConnection

2down vote According to documentation VACUUM reclaims storage occupied by dead tuples. But according to this post Dead rows is deleted rows that would later be reused for new rows from inserts or UPDATEs. Some

Busy with the source code compiled and installed PostgreSQL, encountered a lot of trouble, record a bit.1: An error occurred while using the./configure configuration. Look at the information that is missing the relevant package. What Readline,zlip

Postgresql's .gz package can be downloaded from csdn. PostgreSQL's official website does not seem to be available. Decompress the package and enter its folder. Then, run the following command: ./Configure The system may not find two packages.

From: http://blog.csdn.net/lengzijian/article/details/8252270   I don't want to explain the installation and use of pgfincore too much. I just want to record my usage experience. If you want to read more, please refer to the following content:

ToHttp://wwwmaster.postgresql.org/download/mirrors-ftp? File?binary=2fv8.1.4%2fwin32%2f%sql-8.1.4-1.zipSelect a country with fast download speeds to download the PostgreSQL database To Http://jdbc.postgresql.org/download.html download JDBC

PostgreSQL has developed the libpq library, which can be used to write external programs in the C language to connect to the PostgreSQL database. In the C program, you need to load the libpq Library at the beginning, # include "libpq-fe.h", pay

// G ++ gettablefieldnum. cpp pqcopy. cpp-I/usr/local/pgsql/include/-L/usr/local/pgsql/lib-lpq-o get-G# Include # Include # Include "pqcopy. H"   Using namespace STD; Char pdbserver [str_len + 1];Char g_strdbname [str_len + 1];Char pdbuser [str_len +

1. download the latest version of postgresql: http://www.postgresql.org/ftp/source/ 2. decompress the file:Tar zxvf postgresql-8.3.7.tar.gzCD postgresql-8.3.7 3. Configuration:./Configure -- prefix =/usr/local/pgsql 4. Compile:Make 5.

This article describes how to install the PostgreSQL database in opensuse. Let's take a look at the installation steps through the following introduction! Environment I tested the installation of postgresql 8.4.6 on opensuse 11.3, and the

1. log ConfigurationThe system log and error log of postgresql are directly output by default and are not written to files. If you want to view these logs, modify PostgreSQL. conf as follows: Log_destination = 'stderr'Logging_collector =

Initial Application of postgresql 1. initialize the database: initdb-D/usr/local/pgsql/Data 2. Start the posgresql Database: postmaster-I-d/usr/local/pgsql/Data 3. Create a spatial database: createdb gisdb 4. Open the GIS database: Psql gisdb, and