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 ...

Голова и плечи-Head and shoulders

 Head and shoulders



Figure "Head and Shoulders"

Technical Figure "Head and Shoulders" - is formed at the highs of the price chart during an uptrend. Through points 1 and 2, the line of the base of the figure (the line of the neck) is drawn. The figure is considered fully formed only after the price closes below the bottom line of the figure.


After that, the price is expected to decline by at least the height of the pattern, which is measured as the distance in points from the pattern's high to the neck line. It is recommended to sell either immediately during the breakout of the base line of the figure, or after waiting for a rollback to it after the breakout.



Inverted head and shoulders figure

The "Inverted Head and Shoulders" pattern is formed at the lows of the price chart during a downtrend. Through points 1 and 2, the line of the base of the figure (the line of the neck) is drawn. This figure of technical analysis is considered to be fully formed only after the price closes above the bottom line of the figure.


After that, the price is expected to rise by at least the height of the pattern, which is measured as the distance in points from the low of the pattern to the neck line. It is recommended to buy either immediately during the breakout of the base line of the figure, or after waiting for a rollback to it after the breakout.