GeoHelm/docs/components/view/index.rst

126 lines
3.3 KiB
ReStructuredText
Raw Normal View History

2024-01-27 19:04:46 +00:00
.. This is a comment. Note how any initial comments are moved by
transforms to after the document title, subtitle, and docinfo.
.. demo.rst from: http://docutils.sourceforge.net/docs/user/rst/demo.txt
.. |EXAMPLE| image:: static/yi_jing_01_chien.jpg
:width: 1em
**********************
Viewing Data
**********************
.. contents:: Table of Contents
Options
====================
There are a number of options for viewing your PostgreSQL data.
1. PSQL command line
2. PgAdmin
3. Control Panel
PSQL
====================
Connect via SSH and su to postgres
.. code-block:: console
root@demo:# su - postgres
Start psql
.. code-block:: console
postgres@demo:~$ psql
psql (15.3 (Ubuntu 15.3-1.pgdg22.04+1))
Type "help" for help.
List all databases using the '\\l' command
.. code-block:: console
postgres=# \l
List of databases
Name | Owner | Encoding | Collate | Ctype | ICU Locale | Locale Provider | Access privileges
------------+----------+----------+---------+---------+------------+-----------------+-----------------------
geostore | postgres | UTF8 | C.UTF-8 | C.UTF-8 | | libc |
geodb | geouser | UTF8 | C.UTF-8 | C.UTF-8 | | libc |
postgisftw | pgis | UTF8 | C.UTF-8 | C.UTF-8 | | libc |
postgres | postgres | UTF8 | C.UTF-8 | C.UTF-8 | | libc |
template0 | postgres | UTF8 | C.UTF-8 | C.UTF-8 | | libc | =c/postgres +
| | | | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | C.UTF-8 | C.UTF-8 | | libc | =c/postgres +
| | | | | | | postgres=CTc/postgres
(5 rows)
Connect to target database (in this case, postgisftw) using the '\\c' command
.. code-block:: console
postgres=# \c postgisftw
You are now connected to database "postgisftw" as user "postgres".
List tables in database using the '\\dt' command
.. code-block:: console
postgisftw=# \dt
List of relations
Schema | Name | Type | Owner
--------+-------------------+-------+----------
public | configuration | table | pgis
public | countries | table | pgis
public | pointsofinterest | table | pgis
public | spatial_ref_sys | table | postgres
public | ways | table | pgis
public | ways_vertices_pgr | table | pgis
(6 rows)
Select country name from the countries table, limited to 10:
.. code-block:: console
postgisftw=# select name from countries limit 10;
name
--------------------------
Zimbabwe
Zambia
Montserrat
Yemen
Vanuatu
Uruguay
Vietnam
Micronesia
Venezuela
Vatican
(10 rows)
Select country name from the countries table, limited to 10, sorting acecnded:
.. code-block:: console
postgisftw=# select name from countries order by name ASC limit 10;
name
-------------------
Afghanistan
Albania
Algeria
American Samoa
Andorra
Angola
Anguilla
Antarctica
Antigua and Barb.
Argentina
(10 rows)
postgisftw=#