The user Alice wants to grant all users query privileges on her DEPT table. Which SQL statement accomplishes this? () GRANT select ON dept TO ALL_ USER;。 GRANT select ON dept TO ALL;。 GRANT QUERY ON dept TO ALL_USERS。 GRANT select ON dept TO PUBLIC。
关于库存管理的论述,错误的是() 库存管理的任务是提高库存保证程度和降低库存费用。 保证供应、快速交货是配送中心库存管理的前提。 库存管理的目的就是在满足顾客服务需求的前提下,对企业库存水平进行控制,节约库存成本。 配送中心的数量与服务内容是影响库存的数量和时间的主要因素。
Click the Exhibit button. What is the result?() 4321。 0000。 An exception is thrown at runtime.。 Compilation fails because of an error in line 18.。
光合细菌属于() 专性好氧菌。 兼性厌氧菌。 耐氧菌。 厌氧菌。
Which three statements are true regarding the finegrained 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.。
小芳很害怕火,以致不能擦亮一根火柴,甚至不能参加烛光晚会。她很可能患有()