When any organization wants to replicate or sync any database from one account to another account within the same organization automatically across region and even across cloud provider . Replicated copy of database in secondary or target account is always read-only copy, and you will not able to perform any DML or DDL operation on them.
Database replication is a standard feature and available to all account.
Database Replication Blog: / database-replication
Account Replication Blog: / snowflake-account-replication
Database Role Blog:
/ database-role-v-s-account-role-in-snowflake
/ how-to-use-database-role-in-snowflake-its-...
Table Clustering Blog: / snowflake-micro-partitions-table-clustering