Investering i aktier er blevet mere tilgængelig end nogensinde før takket være digitalisering. Moderne investeringsplatforme giver alle mulighed for at deltage i aktiemarkedet fra deres egen computer.
This is the whole purpose of RDBMS/SQL servers. Why would you want to do all of the work by choosing your first option instead of letting the database do it for you?
Th emethod yo describe in 1. would have been what you would have used with ISAM (indexed files )databases many years ago. There were no direct relationships between tables as there are today in relational databases.
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