initial commit

mysql_python/README.md

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+##Note:
+This script requires [mysql.connector](https://dev.mysql.com/downloads/connector/python/).
+```
+pip install mysql_connector
+```
+
+##Variables:
+HOST - address of the MySQL server,
+DATABASE - database on the server you wish to operate on,
+SQL - your query.

postgres_cpp/README.md

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+##Note:
+This script requires [libpqxx library](https://www.tutorialspoint.com/postgresql/postgresql_c_cpp.htm).
+
+##Variables in ```cpp #define ```:
+HOST - address of the MySQL server (IPv4 form),
+DATABASE - database on the server you wish to operate on,
+SQL - your query.