PostgreSQL does not have a direct CREATE DATABASE IF NOT EXISTS clause, as seen in some other relational databases like MySQL. However, this functionality can be emulated by querying the system catalog to check
In this article, we will discuss aboutPostgreSQL Create Databasestatement to create a new database in PostgreSQL database cluster. PostgreSQL server consists of multiple database which is called a database cluster. In other words, a database cluster is a collection of multiple databases that is ...
How to Create Database Objects in Postgres Using CREATE Command? In PostgreSQL, the database objects are created using the CREATE command. In this write-up, we will discuss how to use the Postgres “CREATE” command for Table, View, Sequence, INDEX, Function, and Tablespace Creation. Case 1...
SQL Server CREATE DATABASE database_name; PostgreSQL CREATE DATABASE database_name; Oracle N/A – create a schema and assign privileges You can find more details below. How to Create a Database in SQL The easiest way to create a new database is to use the CREATE DATABASE command: CREAT...
一、PostgreSQL on Win环境搭建 1 环境要求 2 下载PostgreSQL安装包 3 解压PostgreSQL安装包 4 下载pgadmin安装包(可选) 5 安装pgadmin(可选) 6 规划数据文件目录 7 初始化数据库集群 8 配置postgresql.conf 9 配置pg_hba.conf(可选) 10 启动、停止数据库集群 ...
Log into the default PostgreSQL user (called "postgres") to create a database and assign it to the new user: sudo su - postgres psql You will be dropped into the PostgreSQL command prompt. Create a new user that matches the system user you created. Then create a database man...
In this post, we will show you how to import and export a PostgreSQL database using pg_dump, pg_dumpall, psql, and pg_restore utility. Export a PostgreSQL Database with pg_dump Command The pg_dump is a command-line tool that allows you to dump the content of a specified database in...
How to Create a Read-Only Node Using the DigitalOcean API Create a personal access tokenand save it for use with the API. Send a POST request tohttps://api.digitalocean.com/v2/databases/{database_cluster_uuid}/replicas. Create a Read-Only using the Control Panel ...
configuration: "postgresql_config" ) } The selection of theaddCustomerfield of this mutation results in the execution of an insert statement followed by a select statement in the database backend, adding the customer and using the inserted values to populate the returned GraphQLCustomertype: ...
There should be at least one entry shown here. pgAdmin will automatically detect any Postgres installations and create a server entry (which represents a database connection). In this example, there is: PostgreSQL 13 – an older version I had on my computer ...