| Subject | English | Russian |
| d.b.., comp., MS | database principal | субъект уровня базы данных (database user, database role or application role • Schemas can be owned by any database principal, and a single principal can own multiple schemas. A schema is a named container for database objects, which allows you to group objects into separate namespaces. Alex_Odeychuk) |
| d.b.. | database-level principal | субъект уровня базы данных (database user, database role or application role Alex_Odeychuk) |
| comp., MS | principal database | основная база данных (In database mirroring, a read-write database whose transaction log is continuously sent to the mirror server, which restores the log to the mirror database) |