MATCHDB.duckdb under db/ in the data root is the relational source of
truth (§7b tier 3). It is the ingest target and the thing publish reads from;
it is not the consumption path for matching.
Usage
md_db(read_only = FALSE, path = NULL)
md_db_close(con)
Arguments
- read_only
Open read-only. Use for provenance queries.
- path
Override the database location.
- con
A connection from md_db().
Value
A DBI connection. Close with md_db_close().