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TRUNC月份

In Oracle/PLSQL, the trunc function returns a date truncated to a specific unit of measure.
The syntax for the trunc function is:
trunc ( date, [ format ] )
date is the date to truncate.
format is the unit of measure to apply for truncating. If the format parameter is omitted, the truncfunction will truncate the date to the day value, so that any ho...

by elivans - Oracle - 2011-12-23 01:22:54 阅读(728) 回复(0)

相关讨论

trunc. log on chkpt. 与 trunc log on chkpt有什么区别吗?

by beginner-bj - Sybase - 2007-06-17 19:13:43 阅读(1958) 回复(0)
by youyuxiantian - Oracle - 2005-03-31 15:50:33 阅读(1728) 回复(2)

我的服务器是sco unix+sybase,由于服务器意外down机,重启后运行sp_helpdb时,发现如下错误:trunc log on chkpt, offline,该如何解决呀?请教各位高手!

by ? - Sybase - 2004-06-30 10:25:40 阅读(1947) 回复(3)

又谁给详细的解释一下round 和trunc的用法和区别!本人笨笨,总是不明白

by nvram - Oracle - 2004-04-13 11:15:02 阅读(907) 回复(0)

  1. round()trunc()函数...

by linuxboy823 - Oracle - 2011-12-19 13:56:41 阅读(587) 回复(0)

./lib/vsprintf.c文件中有个将10进制转换为字符串的函数,对其算法不明,请大侠指点,不胜感激。 源码如下:[code]/* Decimal conversion is by far the most typical, and is used * for /proc and /sys data. This directly impacts e.g. top performance * with many processes running. We optimize it for speed * using code from * http://www.cs.uiowa.edu/~jones/bcd/decimal.html * (with permission from the auth...

by du722 - 内核源码 - 2012-04-28 16:00:21 阅读(1193) 回复(2)

一个数据库 属性:select into/bulkcopy/pllsort, trunc log on chkpt 另一个数据库 属性: no options set 请问 这2个属性 有什么差别吗 第一个 代表什么意思呢? 谢谢!

by hejia0105 - Sybase - 2012-01-30 21:41:16 阅读(6199) 回复(6)

vi版本 version 7.0.39 问题:使用vi编辑aaa文件,保存后inode号居然变了 步骤如下: [quote] 0 lfs:~$ 0 lfs:~$ stat abc File: `abc' Size: 14 Blocks: 8 IO Block: 4096 regular file Device: 802h/2050d Inode: 235224 Links: 1 Access: (0644/-rw-r--r--) Uid: ( 1000/ lfs) Gid: ( 1000/ lfs) Access: 2009-10-16 07:19:34.000000000 +0800 Modify: 2009-10-16 07:19:34...

by augustusqing - 内核源码 - 2010-01-02 11:36:54 阅读(3177) 回复(1)

OS:Windows2003 ASE:Adaptive Server Enterprise/12.5.3/EBF 13331 ESD#7 我在数据上勾上了trunc Log on Chkpt但日志不会自动截断,用dump tran dbname with truncate_only 可以,很是奇怪。 这种情况本人碰到两次了,两次都有一个特点,就是数据库都是Load进来的,而且设备顺序和原来的不一样,导致该数据从master设备上分了2M过来,但我已经在数据库所有的段上将master设备的2M去掉了。

by kanfu - Sybase - 2008-03-12 14:10:23 阅读(5404) 回复(9)
by admin159 - Informix - 2007-12-13 14:20:59 阅读(1940) 回复(0)