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043-122

原创 Linux操作系统 作者:jbymy2000 时间:2012-03-08 10:11:32 0 删除 编辑
122. You have set the value of the NLS_TIMESTAMP_TZ_FORMAT parameter
in the parameter file to YYYY-MM-DD. The default format of which two
data types would be affected by this setting? (Choose two)
A. DATE
B. TIMESTAMP
C. INTERVAL YEAR TO MONTH
D. INTERVAL DAY TO SECOND
E. TIMESTAMP WITH LOCAL TIME ZONE
Answer: B, E
NLS_TIMESTAMP_TZ_FORMAT :Defines the default date format for the
TIMESTAMP and TIMESTAMP WITH LOCAL TIME ZONE data types used with
the TO_CHAR and TO_TIMESTAMP_TZ functions. Must have NLS_LANG set.
The value must be surrounded by quotation marks as follows:
NLS_TIMESTAMP_TZ_FORMAT = 'YYYY-MM-DD HH:MI:SS.FF TZH:TZM'

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