postgresql sample database with data

#pg_ctl startYou can see that the PostgreSQL DB instance has been started and you can see the postgres process running in the system by following the command#ps-ef | grep postgres5) Connect the PostgreSQL database#psql-H 127.0.0.1-d postgres-u Postgres6) Stop PostgreSQL DB instance#pg_ctl stop#ps-ef | grep postgresYou

: Viewed_homepage | Use_demo | Entered_credit_card -----------------+----------+--------------------- 827 | 220 | 86 From the View home page to a week to use the demo, and then to a week to enter credit card information, which gives us a three-step channel conversion. From then on, the powerful PostgreSQL allows us to drill down into these data sets and analyze the performance of our web si

Postgres-XL: PostgreSQL-based open-source scalable Database Cluster,Postgres-XL: PostgreSQL-based open-source scalable Database ClusterIn the past year, IOE has become more and more popular in the industry. Many traditional enterprises have also placed their "IOE" plans on their desktops. I have always wondered why the

Double-click the installation program to install PostgreSQL and create a geographic database. 2. for PostgreSQL installation location, you can select your PostgreSQL installation path. The default installation path is C: ProgramFilesPostgreSQL9.23. in this step, you can select the path where your

PostgreSQL?PostgreSQL is an object relational database management system (ORDBMS) based on IPVs developed by the computer department of UC Berkeley ). Many of the leading concepts of IPVs are only presented in the trade database very late. PostgreSQL was an open-source spea

Document directory Supported Data Types PostgreSQL is a widely used free and open source database. Compared with MySQL, PostgreSQL is more suitable for complicated enterprise computing tasks. MySQL is more widely used in the Internet field, postgreSQL supports the mos

the following command to log into the database, and do not require a password. Psql Exampledb If a database with the same name as the current system user exists inside PostgreSQL, then the database names can be omitted. For example, if there is a database ca

Tags: Fedora linux PostgreSQL database installation configuration PostgresStrict intranet environment, no network connection, the newly installed Fedora 22 system, no other configuration.Installation 1. Installation Environment: Operating system: Fedora 22 Database: postgresql-9.4 The installation proc

Tags: mobile base tar www mes through file storage storage. comInitdb will specify a PGDATA directory, which is where PostgresQL stores data, such as:/var/lib/pgsql/10/data.====== Display Data Catalog1. Enter PsqlSudo-u Postgres Psql2. Locate the Data directorypostgres=# SHO

study the relationship between tablespaces and databases.Database creation statement create database dbname the default database owner is the role currently created for the database, and the default tablespace is the system's default tablespace -- pg_default.Why? In PostgreSQL, da