摘要:
The RR date format element of the TO_DATE and TO_CHAR functions allows a database site to default the century to different values depending on the two-digit year, so that years 50 to 99 default to 19xx and years 00 to 49 default to 20xx. Therefore, regardless of the current century at the time the d 阅读全文
posted @ 2012-12-29 21:11
NETDATA
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