How to connect to PostgreSQL database using pgAdmin 4?

 How to connect to PostgreSQL database using pgAdmin 4? In order to set up a connection to the PostgreSQL database, run pgAdmin 4, for example, from the Start menu. As a result, pgAdmin 4 will start. Then click the menu "Object->Create->Server" or right-click on the item "Servers" and select "Create->Server". The server connection settings window will open. On the General tab, we invent and enter the name of our server in the Name field. On the Connection tab, enter the server IP address, username, password, and if you want, you can check the “Save password?” to save the password and not to enter it every time you connect. If the standard port (5432) of the PostgreSQL server has been changed, then you also need to change it here. Press the "Save" button. Note! The PostgreSQL server must be installed, configured and running. We considered an example of installing and configuring PostgreSQL DBMS on Linux Debian in the material “Installing ...

Stochastic indicator

 Stochastic indicator

The Stochastic Oscillator indicator was created by the famous trader George Lane. He noted a certain cyclicity in the behavior of the price: moving from one level to another, it periodically falls into a state of overbought, then oversold. Stochastic shows the ability of buyers and sellers to set the closing price at the highs/lows reached.


Stochastic is a normalized oscillator, built in a separate window under the price chart, consists of two lines: %K - fast and %D - slow. Values ​​vary from 0% to 100%, signal lines are drawn at the levels of 20% and 80%, which highlight zones of oversold (from 0% to 20%) and overbought (from 80% to 100%). These zones are used to search for signals to buy or sell a financial instrument.