126 lines
3.3 KiB
ReStructuredText
126 lines
3.3 KiB
ReStructuredText
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.. This is a comment. Note how any initial comments are moved by
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transforms to after the document title, subtitle, and docinfo.
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.. demo.rst from: http://docutils.sourceforge.net/docs/user/rst/demo.txt
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.. |EXAMPLE| image:: static/yi_jing_01_chien.jpg
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:width: 1em
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**********************
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Viewing Data
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**********************
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.. contents:: Table of Contents
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Options
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====================
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There are a number of options for viewing your PostgreSQL data.
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1. PSQL command line
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2. PgAdmin
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3. Control Panel
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PSQL
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====================
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Connect via SSH and su to postgres
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.. code-block:: console
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root@demo:# su - postgres
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Start psql
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.. code-block:: console
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postgres@demo:~$ psql
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psql (15.3 (Ubuntu 15.3-1.pgdg22.04+1))
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Type "help" for help.
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List all databases using the '\\l' command
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.. code-block:: console
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postgres=# \l
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List of databases
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Name | Owner | Encoding | Collate | Ctype | ICU Locale | Locale Provider | Access privileges
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------------+----------+----------+---------+---------+------------+-----------------+-----------------------
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geostore | postgres | UTF8 | C.UTF-8 | C.UTF-8 | | libc |
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geodb | geouser | UTF8 | C.UTF-8 | C.UTF-8 | | libc |
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postgisftw | pgis | UTF8 | C.UTF-8 | C.UTF-8 | | libc |
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postgres | postgres | UTF8 | C.UTF-8 | C.UTF-8 | | libc |
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template0 | postgres | UTF8 | C.UTF-8 | C.UTF-8 | | libc | =c/postgres +
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| | | | | | | postgres=CTc/postgres
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template1 | postgres | UTF8 | C.UTF-8 | C.UTF-8 | | libc | =c/postgres +
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| | | | | | | postgres=CTc/postgres
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(5 rows)
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Connect to target database (in this case, postgisftw) using the '\\c' command
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.. code-block:: console
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postgres=# \c postgisftw
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You are now connected to database "postgisftw" as user "postgres".
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List tables in database using the '\\dt' command
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.. code-block:: console
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postgisftw=# \dt
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List of relations
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Schema | Name | Type | Owner
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--------+-------------------+-------+----------
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public | configuration | table | pgis
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public | countries | table | pgis
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public | pointsofinterest | table | pgis
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public | spatial_ref_sys | table | postgres
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public | ways | table | pgis
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public | ways_vertices_pgr | table | pgis
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(6 rows)
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Select country name from the countries table, limited to 10:
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.. code-block:: console
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postgisftw=# select name from countries limit 10;
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name
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--------------------------
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Zimbabwe
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Zambia
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Montserrat
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Yemen
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Vanuatu
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Uruguay
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Vietnam
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Micronesia
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Venezuela
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Vatican
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(10 rows)
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Select country name from the countries table, limited to 10, sorting acecnded:
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.. code-block:: console
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postgisftw=# select name from countries order by name ASC limit 10;
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name
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-------------------
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Afghanistan
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Albania
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Algeria
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American Samoa
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Andorra
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Angola
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Anguilla
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Antarctica
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Antigua and Barb.
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Argentina
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(10 rows)
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postgisftw=#
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