Which view shows all valid values for the NLS_LANGUAGE, NLS_SORT, NLS_TERRITORY,and NLS_CHARACTERSET parameters?（） V$VALID_NLS_VALUES。 NLS_VALID_VALUES。 NLS_VALUE_OPTIONS。 V$NLS_VALUE_OPTIONS。 V$NLS_VALID_VALUES。
You perform differential incremental level 1 backups of your database on each working day and level 0 backupon Sundays， to tape. Which two statements are true about differential incremental backups（） The backup performed on Sundays contains all the blocks that have ever been used in the database.。 The backup performed on Sundays contains all the blocks that have changed since the last level 1 backup.。 The backup performed on each working day contains all the blocks that have changed since the last level 0 backup.。 The backup performed on Monday contains all the blocks that have changed since the level 0 backup， and every other working day contains all the blocks that have changed since the level 1 backu。
项目法人通过（）方式择优选择南水北调工程项目勘察设计单位和监理单位，其勘察设计合同和监理合同可由项目法人委托项目管理单位管理。 监理。 招标。 管理。 投资。
Which three statements are true regarding the fine-grained auditing （FGA）？（） FGA is possible on SELECT statements only.。 The audit trail for FGA is stored in the FGA_LOG$ table.。 The audit trail for FGA is stored in the AUD_LOG$ table.。 FGA enables a SQL predicate to define when to audit an event.。 FGA audits DELETE statements only when audit columns are specified.。 FGA includes the SQL statement used by the user as part of the audit event entry.。
经检查不合格的液化石油气钢瓶按（）分别进行登记。 待充装。 待修。 送检。 报废。
可变荷载代表值应按（）确定。
