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 ...
Double top and double bottom-Двойная вершина и двойное дно
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Double top and double bottom
These figures of technical analysis are formed after an upward or downward movement, they signal the end of a trend and an upcoming correction or reversal.
The head and shoulders pattern consists of three peaks. The middle (head) is the highest, the peaks along the edges (shoulders) are approximately at the same level. Entry into a position is possible when the neckline is broken or when the price is tested after the breakout. In a downtrend, the pattern is mirrored.
A double top is formed in the same way as a triple top. The key difference is that the support line is broken after the second peak. Traders are looking for entry points after the breakout of the level or its subsequent testing.
The "Double Top" pattern is formed after an upward movement at the local maximum of the chart. It consists of two consecutive peaks on the price chart, through the minimum between them (point 1) a horizontal support level is drawn - the figure's base line.
After the price breaks through the base line, the "Double top" technical figure is considered formed, sales are recommended. The purpose of working out is to reduce the price from the base line of the figure by the value of H - the height of the figure in points.
Figure "Double bottom"
The "Double bottom" pattern is formed after a downward movement at the local low of the chart. It consists of two successive troughs on the price chart, through the maximum between them (point 1) a horizontal resistance level is drawn - the figure's base line.
After the price breaks through the base line, the "Double Bottom" technical figure is considered formed, purchases are recommended. The purpose of working out is to increase the price from the base line of the figure by the value of H - the height of the figure in points.
Graphic patterns "Triple top", "Triple bottom"
Technical figure "Triple top" - the pattern is formed at the highs of the price chart after the previous uptrend. It consists of three consecutive peaks on the price chart, which are approximately at the same level. Through two minimums located between them (points 1 and 2), the line of the base of the figure is drawn, which can be horizontal, or have a slight slope up or down. The Triple Top pattern is considered formed after the price closes below the pattern's base line. It is recommended to sell from the base line of the figure, with the expectation that the price will decrease by the height of the figure H.
Figure "Triple bottom"
The Triple Bottom pattern is formed at the lows of the price chart after the previous downtrend. It consists of three consecutive bottoms on the price chart, which are approximately at the same level. Through the two maximums located between them (points 1 and 2), the base line of the figure is drawn, which can be horizontal, or have a slight slope up or down. The figure of the technical analysis "Triple bottom" is considered to be formed after the price closes above the line of the figure's base. It is recommended to buy from the base line of the figure with the expectation of a price increase by the height of the figure H.
