Select_range_check The number of joins without keys that check for key usage after each row. If this is not 0, you should carefully check the indexes of your tables. 这句话“The number of joins without keys that check for key usage after each row.” 是什么意思？
NAME pfctl - control the packet filter (PF) and network address translation (NAT) device SYNOPSIS pfctl [-AdeghmNnOqRrvz] [-a anchor] [-D macro=value] [-F modifier] [-f file] [-i interface] [-K host | network] [-k host | network] [-o [level]] [-p device] [-s modifier] [-t table -T command [address ...]] [-x level] 本文来自ChinaUnix博客，如果...
●help(1)--新手及系统管理员的帮助 ●afterboot(8)--第一次完全启动后所需要查看的。 ●boot(8)--系统启动程序 ●login.conf(5)--登陆组配置文件格式 ●adduser(8)--添加用户的命令 ●vipw(8)--编辑主密码文件 ●man(1)---显示在线手册页。 ●sendbug(1)--发送问题报告(PR)到支持中心站点。 ●disklabel(8)--读取和写入磁盘标签。 ●ifconfig(8)--配置网络界面参数 ●route(8)--手工操作路由表 ●netstat(8)--显示网络状况 ●rebo...
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Hi Do you have AIX system programming manual? thanks from Peter (www.kingofcoder.com 编程王网站)
/** * @var mixed $hasMany this can be a string or an array. * * Example below is using an array and setting more than one hasMany. * * Using hasMany as an array gives you more control over the association * * association - Table holding the association * className - Specify the class name of the association. * Use it only if that name can not be inferred from the associ...
php /** * @var mixed $belongsTo this can be a string or an array. * * Example below is using an array and setting more than one belongsTo. * * Using $belongsTo as an array gives you more control over the association * * association - Table holding the association * className - Specify the class name of the association. * Use it only if that name can not be inferred ...
