The article describes the development of an interface between MQL and the MySQL database. It discusses existing practical solutions and offers a more convenient way to implement a library for working with databases. The article contains a detailed description of the functions, the interface structure, examples and some of specific features of working with MySQL. As for the software solutions, the article attachments include the files of dynamic libraries, documentation and script examples for the MQL4 and MQL5 languages.
This indicator can help you in development/testing of your strategies based on ZigZag indicator. It is a classic ZigZag which can show the points that wee redrawn after market moves.
Also, the indicator will show the difference (in pips) between the first and the last peaks that have been formed in one direction.