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Run php script as daemon process
... service:
[Unit]
Description=My PHP Daemon Service
#May your script needs MySQL or other services to run, eg. MySQL Memcached
Requires=mysqld.service memcached.service
After=mysqld.service memcached.service
[Service]
User=root
Type=simple
TimeoutSec=0
PIDFile=/var/run/myphpdaemon.pid
ExecStart=/u...
Maximum number of records in a MySQL database table
What is the upper limit of records for MySQL database table. I'm wondering about autoincrement field. What would happen if I add milions of records? How to handle this kind of situations?
Thx!
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常用Sql - MySql - 清泛IT论坛，有思想、有深度
本帖最后由 zqp2013 于 2015-3-17 22:06 编辑
mysql：drop table if exists tablename;
不能写成
drop table tablename if exists tablename;
mysql：建立索引Sql
CREATE TABLE tablename (
`ID` &nbs...
Should I use the datetime or timestamp data type in MySQL?
...ld you recommend using a datetime or a timestamp field, and why (using MySQL)?
39 Answers
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实战Nginx与PHP（FastCGI）的安装、配置与优化 - 更多技术 - 清泛网 - 专注...
...进行了详细介绍，这里不再进行讲述。下面重点介绍Nginx如何通过php-fpm的FastCGI进程对PHP进行解析处理。
由于Ｎginx本身不会对PHP进行解析，因此要实现Nginx对PHP的支持，其实是将对PHP页面的请求交给fastCGI进程监听的IP地址及端口...
Throw an error in a MySQL trigger
...
As of MySQL 5.5, you can use the SIGNAL syntax to throw an exception:
signal sqlstate '45000' set message_text = 'My Error Message';
State 45000 is a generic state representing "unhandled user-defined exception".
Here is a mo...
MySQL get the date n days ago as a timestamp
In MySQL, how would I get a timestamp from, say 30 days ago?
3 Answers
3
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mysql -> insert into tbl (select from another table) and some default values [duplicate]
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With MySQL if you are inserting into a table that has a auto increment primary key and you want to use a built-in MySQL function such as NOW() then you can do something like this:
INSERT INTO course_payment
SELECT NULL, order_id...
领域驱动设计系列（三）:事件驱动上 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...里的事件源(Event Source), 这个以后再讲，今天主要讲一下如何用事件来解耦，主要的原因是...前言
今天讲一下事件驱动，这个不是领域驱动设计里的事件源(Event Source), 这个以后再讲，今天主要讲一下如何用事件来解耦，主要的...
SQL: deleting tables with prefix
...
You cannot do it with just a single MySQL command, however you can use MySQL to construct the statement for you:
In the MySQL shell or through PHPMyAdmin, use the following query
SELECT CONCAT( 'DROP TABLE ', GROUP_CONCAT(table_name) , ';' )
AS statement...