到数据时出错 打开游标时出错!错误代码为-1555ora-015 55: snapshot too old: rollback segment number 12 with name "RBS
我在表中建了一个CHAR(10)的birthday字段,在该字段中录入如:"1985-12-10"的数据,原来在SQL语句中用month()检索就可返回‘12’,现在数据库重装后返回为‘0’,数据库版本为INFORMIX 7.23,请教,不知哪里设置有问题?抑或本来就没有这种用法?谢谢!
在 mfsclient 的系统日志中发现大量这样日志:[code]Aug 13 19:17:19 localhost mfsmount[19032]: file: 34338043, index: 0, chunk: 60866477, version: 1 - there are no valid copies Aug 13 19:17:39 localhost mfsmount[19032]: file: 34338063, index: 0, chunk: 60866494, version: 1 - there are no valid copies Aug 13 19:17:41 localhost mfsmount[19032]: file: 34338825, index: 0, chunk: 60867235, version: 1 - th...
环境: CentOS 5 + BASH 每次用export时总会看到后面一个提示: not a valid identifier ,但export后的PATH可以正常使用. 何故? 如下: [root@lovexia shell]# echo $PATH /usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin:/usr/local/ossec/bin [root@lovexia shell]# PATH=$PATH:/usr/local/mysql/bin [root@lovexia shell]# echo $PATH /usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bi...
Here are examples of the constructors and the valid options available for DB_HASH, DB_BTREE and DB_RECNO respectively. $a = new DB_File::HASHINFO ; $a->{'bsize'} ; $a->{'cachesize'} ; $a->{'ffactor'}; $a->{'hash'} ; $a->{'lorder'} ; $a->{'nelem'} ; $b = new DB_File::BTREEINFO ; $b->{'flags'} ; $b->{'cachesize'} ; $b->{'maxkeypage'} ; $b...
输入STRDBG 在命令行 出现COMMAND STRDBG NOT valid IN THIS MODE 请问是什么意思?//
系统:ubuntu 我使用以下指令mount 但是会出现mount: //8.8.8.8/abc is not a valid block device 之前在FEDora是可以动的 换了ubuntu就出现这个怪讯息 (我的SAMBA也有起来) 为什么呢?? sudo mount -t cifs //8.8.8.8/abc /home/john/abc -o user=john,password=123456
valid_referers nome blocke *.test.com; if ($invalid_referer) { return 404; } 注意红色部分,用nginx -t 检查语法时,竟然没有报错; # /usr/sbin/nginx -t nginx: the configuration file /etc/nginx/nginx.conf syntax is ok nginx: configuration file /etc/nginx/nginx.conf test is successful