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常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...profile .cshrc .ssh NRU_CMU_DISK_SIZE_NOTIFY2008 install.log .bash_logout .mysql_history.TMP .tcshrc anaconda-ks.cfg
显示每个文件详细的信息（包括文件类型、权限、大小、所属组、创建时间等）（ls -l 等同于 ll 命令）
[root@KEDACOM ~]# ls -l
total 64
-rw-r--...
How do I escape a reserved word in Oracle?
...and apparently requires the correct case—whereas, for anyone interested, MySQL defaults to using backticks (`) except when set to use double quotes for compatibility.
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9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...-j ACCEPT
类似的，对于HTTP/HTTPS(80/443)、pop3(110)、rsync(873)、MySQL(3306)等基于tcp连接的服务，也可以参照上述命令配置。
对于基于udp的dns服务，使用以下命令开启端口服务：
iptables -A OUTPUT -p udp -o eth0 --dport 53 -j ACCEPT
iptables -A IN...
Adding a new SQL column with a default value
I am looking for the syntax to add a column to a MySQL database with a default value of 0
10 Answers
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Best Practices: Salting & peppering passwords?
...e that someone with some security experience supports this method. Would a MySQL AES_ENCRYPT($passwordHash, $serverSideKey) call also be an appropriate way of implementing this?
– foochow
Jun 27 '13 at 19:40
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Update multiple columns in SQL
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Works on MySQL.
– João Farias
Dec 16 '16 at 19:44
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Search of table names
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This is MySQL syntax on a question tagged sql-server
– Mike Guthrie
Sep 8 '17 at 13:34
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Difference between rake db:migrate db:reset and db:schema:load
...ord/Rakefile
which has these tasks.
namespace :db do
task create: ["db:mysql:build", "db:postgresql:build"]
task drop: ["db:mysql:drop", "db:postgresql:drop"]
end
This may not answer your question but could give you some insight into go ahead and look the source over especially the rake file...
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Create code first, many to many, with additional fields in association table
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I don't know I but this works better with MySql. Without the builder, Mysql throw me an error when I tried the migration.
– Rodrigo Prieto
Jul 4 '17 at 14:28
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