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问题:

[多选] Which two statements are true regarding working with dates?()

A . The default internal storage of dates is in the numeric format 
B . The default internal storage of dates is in the character format 
C . The RR date format automatically calculates the century from the SYSDATE function and does not allow the user to enter the century 
D . The RR date format automatically calculates the century from the SYSDATE function but allows the user to enter the century if required

Which two statements are true regarding an Automatic Storage Management (ASM) instance?() (Choosetwo.) As ASM instance mounts an ASM control file。 An ASM instance uses the ASMB process for rebalancing of disks within a disk group。 Automatic Memory Management is enabled in an ASM instance even when the MEMORY_TARGET parameter is not set explicitly。 An RDBMS instance gets connected to an ASM instance using ASMB as a foreground process when the database instance is started。 地理信息系统 What is the likely cause of a system hanging at boot code 557()   The system is configuring network adapters.。 The system is configuring fibre channel devices.。 The system is unable to mount the rootvg filesystems.。 The system is unable to access the installation media.。 The DB_BLOCK_CHECKING initialization parameter is set to OFF.Which block checking would be performed?() The Oracle database will perform block checking for the index blocks only。 The Oracle database will not perform block checking for any of the data blocks。 The Oracle database will perform block checking for the default permanent tablespace only。 The Oracle database will perform block checking for the data blocks in all user tablespaces。 The Oracle database will perform block checking for the data blocks in the SYSTEM tablespace only。 以下哪项不属于信用信息查询内容中的提示信息内容?() 企业因违规行为受到警告、罚款和暂扣证照等行政处罚的。 企业被责令停产停业或在两年内因同一类违法行为受到行政处罚的。 企业未通过法定的专项或者周期性检查的。 企业违反行业自律公约受到通报批评警告的。 Which two statements are true regarding working with dates?()
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