The official documentation for PostgreSQL features an entire section on Populating a Database. Usama has been involved with database development (PostgreSQL) since 2006, he is the core committer for open source middleware project Pgpool-II and has played a pivotal role in driving and enhancing the product. But for the bad performance, always database design, table design, fragmentation, indexes are not only the problem. Dump your PostgreSQL database . Andy Kerber (@dbakerber), Senior Consultant In this blog, we will cover the installation and configuration of PostgreSQL for load balancing and High Availability (HA). There's Pgloader that uses the aforementioned COPY command and which can load data from csv (and MySQL, SQLite and dBase). You can export a PostgreSQL database to a file by using the pg_dump command line program, or you can use phpPgAdmin.. SSH to staging/production server. Export a PostgreSQL database. Step 2. Once done, the ImageViewer is started. Now, this method is the better one to use because it allows your code to be used with other database packages without recompiling the code. Getting started: According to the documentation, the best way to load data into a database is using the copy command. Northwind database for Postgres. Since last three years, I am sharing multiple articles on PostgreSQL Database Optimization Techniques and Solutions. Sometimes, PostgreSQL databases need to import large quantities of data in a single or a minimal number of steps. As mentioned in this article on exporting data to CSV files, CSV files are a useful format for storing data. Download printable ER diagram Besides the sample database, we also provide you with a printable ER diagram in PDF format. Dump desired database: pg_dump database_name > database_name_20160527.sql. Pgstream1 and pgstream2 are the Postgres database […] The database file is in zipformat ( dvdrental.zip) so you need to extract it to dvdrental.tar before loading the sample database into the PostgreSQL database server. Step 1. Last modified: December 10, 2020. This is a fairly basic, traditional configuration that uses a hot standby rather than SQL replication. Importing from CSV in PSQL. Muhammad Usama is a database architect / PostgreSQL consultant at HighGo Software and also Pgpool-II core committer. In this article, we will cover some best practice tips for bulk importing data into PostgreSQL databases. Using a Load Balancer is a way to have High Availability in your database topology and it is also useful to increase performance by balancing the traffic between the available nodes. Importing Data from CSV in PostgreSQL. Servers First, a summary of the servers involved. To export a PostgreSQL database using the pg_dump program, follow these steps:. A simple sql script that will populate a database with the famous northwind example, adapted for postgres. Access the command line on the computer where the database is stored. This process can be sometimes unacceptably slow. Sharing a very important article on the Load testing of PostgreSQL. It's also using separate threads for reading and copying data, so it's quite fast (interestingly enough, it got written from Python to Common Lisp and got a 20 to 30x speed gain, see blog post).. To load the csv file one needs to write a little configuration file, like postgres=# \c db1 You are now connected to database "db1" as user "postgres". They are usually human readable and are useful for data storage. Method #1: Use the pg_dump program. The easiest way to check if it's database to blame is to dump staging/production database and restore it on localhost. 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