mariadb-information-functions

MariaDB information functions — session and server metadata: LAST_INSERT_ID, ROW_COUNT, FOUND_ROWS, DATABASE/SCHEMA, USER/CURRENT_USER/SESSION_USER/SYSTEM_USER, CURRENT_ROLE, VERSION, CONNECTION_ID, CHARSET, COLLATION, COERCIBILITY, BENCHMARK, DEFAULT, LAST_VALUE, ROWNUM, BINLOG_GTID_POS, DECODE_HISTOGRAM. Use when writing SQL that reads auto-increment IDs, affected/found row counts, the current database or authenticated user, the server version, or connection/session metadata in MariaDB.