Etherium memory in contracts?

Question

blockchain

there is an etherium smart contract, with each transaction (request) some data is created, they somehow need to be stored in an array,
for example ['string'] = 'bla bla';
and then call with another query after any period of time using the index ('string''),
i.e. how can you permanently store the data and access it?

Answer 1

Google knows - https://habrahabr.ru/post/340928/ - everything is planned.
Memory types on this page.