EntityQ3683543· pop 6· linked from 4 articlesvirtual columnSign in to savecolumn in database table whose value is automatically computed using other columns values or another deterministic expressionConnectionsdatabaseEntityWayback MachineEntityQ850EntityPostgreSQLEntityOracle DatabaseEntityrelational databaseEntityMicrosoft SQL ServerEntityQ319417EntityMariaDBEntityIBM Db2EntityFirebirdEntitystored procedureEntityforeign keyEntityInnoDBEntityrowEntityMyISAMEntitycolumnEntityInterBaseEntityuser-defined functionEntitySQL:2003EntityCategoriesDatabase management systems