There are times when we want access to additional data structures and function libraries than the ones provided by MetaTrader’s MQL. Besides native open-source MQL options, we can create our own Dynamic Link Library (DLL) in C# or C++ and link it to our programs.
In this article, we research how to connect to DLLs created with these languages. We must keep in mind that the code generated by C# is managed code running on the .
This article shows a list of basic commands on MySQL and their corresponding versions for PostgreSQL.
Connecting to a database MySQL
$ mysql -u root -p Postgres
$ su pgsql $ psql Or using a different user:
$ psql dbname If you can’t connect because you don’t know what databases are available, try any of these:
psql -l psql postgres psql template1 The postgres database is a default database meant for use by users, utilities and third party applications read more.