大约有 40,000 项符合查询结果（耗时：0.0422秒） [XML]
How to rollback a specific migration?
... probably true only for databases which doesn't support Transactional DDL. MySQL doesn't support Transactional DDL: dev.mysql.com/doc/refman/5.0/en/cannot-roll-back.html PostreSQL does: wiki.postgresql.org/wiki/… So if your migration on MySQL database is broken then you have manually to delete pa...
LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...型都都要在该窗口内编码实现。下面举两个例子。
例1.1 如何在LINGO中求解如下的LP问题：
在模型窗口中输入如下代码：
min=2*x1+3*x2;
x1+x2>=350;
x1>=100;
2*x1+x2<=600;
然后点击工具条上的按钮 即可。
例1.2 使用LINGO软件计算6个...
Getting raw SQL query string from PDO prepared statements
... prepare(), and the parameters are sent separately when you do execute(). MySQL's general query log does show the final SQL with values interpolated after you execute(). Below is an excerpt from my general query log. I ran the queries from the mysql CLI, not from PDO, but the principle is the sam...
MySQL with Node.js
...ng into Node.js. I come from a PHP background, so I'm fairly used to using MySQL for all my database needs.
9 Answers
...
How to enable MySQL Query Log?
How do I enable the MySQL function that logs each SQL query statement received from clients and the time that query statement has submitted?
Can I do that in phpmyadmin or NaviCat?
How do I analyse the log?
...
Downloading MySQL dump from command line
...tion to a more noob-friendly service, I need to download the contents of a MySQL database. Is there a way I can do this from the command line?
...
Can't connect to local MySQL server through socket '/tmp/mysql.sock
When I attempted to connect to a local MySQL server during my test suite, it
fails with the error:
32 Answers
...
Schrödingers MySQL table: exists, yet it does not
...or if you have backups, try the following:
Delete all schemas (excluding mysql)
shut down the database
Make sure that all folders in your data directory have been removed properly (again, excluding mysql)
delete ibdata and log files
restart the database. It should recreate the tablespace and logs ...
Search for all occurrences of a string in a mysql database [duplicate]
...
A simple solution would be doing something like this:
mysqldump -u myuser --no-create-info --extended-insert=FALSE databasename | grep -i "<search string>"
share
|
improv...
Creating a config file in PHP
...ction to escape data for embedding into PHP code as exists for HTML, URLs, MySQL statements, shell commands....
Serialized data
This is relatively efficient for small amounts of configuration (up to around 200 items) and allows for use of any PHP data structure. It requires very little code to crea...