Oracle 时间戳格式中 X 的含义 'DD-MON-RR HH.MI.SSXFF AM'
Meaning of X in Oracle Timestamp Format 'DD-MON-RR HH.MI.SSXFF AM'
最近，我偶然发现了这个功能TO_TIMESTAMP('20-JUL-16 02.25.43.024273000 AM','DD-MON-RR HH.MI.SSXFF AM')。我找不到任何关于 X 含义的参考。
时间戳格式DD-MON-RR HH.MI.SSXFF AM中的X是什么意思？
那是本地基数字符。请参阅 Format models.
的文档
那是什么？
In mathematics and computing, a radix point (or radix character) is the symbol used in numerical representations to separate the integer part of a number (to the left of the radix point) from its fractional part (to the right of the radix point).
最近，我偶然发现了这个功能TO_TIMESTAMP('20-JUL-16 02.25.43.024273000 AM','DD-MON-RR HH.MI.SSXFF AM')。我找不到任何关于 X 含义的参考。
时间戳格式DD-MON-RR HH.MI.SSXFF AM中的X是什么意思？
那是本地基数字符。请参阅 Format models.
的文档那是什么？
In mathematics and computing, a radix point (or radix character) is the symbol used in numerical representations to separate the integer part of a number (to the left of the radix point) from its fractional part (to the right of the radix point).