The
.env
file is a configuration file, including database configuration information. View config->database.php
. connections
contains the configuration of all databases. You can select the database to be used in default
. In the database configuration, the information about env('DB_HOST', 'localhost')
is to read the .env
configuration file. The second parameter is the default parameter.
- We use
mysql
database, modify.env
:
<code>DB_HOST=localhost DB_DATABASE=laravel DB_USERNAME=root DB_PASSWORD=</code>
- Create
laravel
database in mysql
<code>mysql -u root CREATE DATABASE laravel</code>
- View
mysql
Configuration:
<code> 'mysql' => [ 'driver' => 'mysql', 'host' => env('DB_HOST', 'localhost'), 'database' => env('DB_DATABASE', 'forge'), 'username' => env('DB_USERNAME', 'forge'), 'password' => env('DB_PASSWORD', ''), 'charset' => 'utf8', 'collation' => 'utf8_unicode_ci', 'prefix' => '', 'strict' => false, ], </code>
- In the
config
subdirectory, all configuration files are included, take a look.
The above introduces the basics of Laravel 5 (5) - Environment and Configuration, including aspects of the content. I hope it will be helpful to friends who are interested in PHP tutorials.

discuz database error的解决办法有:1、检查数据库配置;2、确保数据库服务器正在运行;3、检查数据库表状态;4、备份数据;5、清理缓存;6、重新安装Discuz;7、检查服务器资源;8、联系Discuz官方支持。解决Discuz数据库错误需要从多个方面入手,逐步排查问题原因,并采取相应的措施进行修复。

IntelArrowLakeisexpectedtobebasedonthesameprocessorarchitectureasLunarLake,meaningthatIntel'sbrandnewLionCoveperformancecoreswillbecombinedwiththeeconomicalSkymontefficiencycores.WhileLunarLakeisonlyavailableasava

mysql的msi与zip版本的区别:1、zip包含的安装程序是一种主动安装,而msi包含的是被installer所用的安装文件以提交请求的方式安装;2、zip是一种数据压缩和文档存储的文件格式,msi是微软格式的安装包。

在mysql中,可以利用char()和REPLACE()函数来替换换行符;REPLACE()函数可以用新字符串替换列中的换行符,而换行符可使用“char(13)”来表示,语法为“replace(字段名,char(13),'新字符串') ”。

转换方法:1、利用cast函数,语法“select * from 表名 order by cast(字段名 as SIGNED)”;2、利用“select * from 表名 order by CONVERT(字段名,SIGNED)”语句。

本篇文章给大家带来了关于mysql的相关知识,其中主要介绍了关于MySQL复制技术的相关问题,包括了异步复制、半同步复制等等内容,下面一起来看一下,希望对大家有帮助。

在mysql中,可以利用REGEXP运算符判断数据是否是数字类型,语法为“String REGEXP '[^0-9.]'”;该运算符是正则表达式的缩写,若数据字符中含有数字时,返回的结果是true,反之返回的结果是false。

本篇文章给大家带来了关于mysql的相关知识,其中主要介绍了mysql高级篇的一些问题,包括了索引是什么、索引底层实现等等问题,下面一起来看一下,希望对大家有帮助。


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