Oracle

 Oracle Database is a database management system from Oracle. This DBMS is also actively used by large companies and costs a lot of money, but in return it provides great functionality and reliability. Therefore, Oracle Database and Microsoft SQL Server are serious competitors to each other. The results of Oracle in the rankings are not so clear, for example, according to PYPL and DB-Engines, Oracle Database ranks first, according to Stack Overflow Oracle is in eighth position, according to surveys of Oracle software companies in fourth place in popularity. If we take into account only a couple of ratings, Oracle can even be put in first place, but if we take into account all the results, then Oracle cannot be put in first place, therefore, in our rating, this DBMS occupies the third line.

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.