Questions

1. Why is it not a good idea to change programmatically a TOML file edited by a user?
2. When is it better to use a dynamically typed parsing of TOML or JSON files and when is it better to use statically typed parsing?
3. When is it required to derive a structure from the Serialize and the Deserialize trait?

1. What is a pretty generation of a JSON string?
2. Why could it be better to use a stream parser, rather than a single-call parser?
3. When is SQLite a better choice and when is it better to use PostgreSQL?
4. Which is the type of the parameters passed with a SQL command to a SQLite database manager?
5. What does the query method do on a PostgreSQL database?
6. What are the names of the functions to read and write values in a Redis key-value store?
7. Can you try to write a program that gets an ID from the command line, queries SQLite, PostgreSQL, or the Redis database for the ID, and prints some information regarding the data found?