PHP使用PDO连接oracle，报错：
PDOException SQLSTATE[HY000]: OCIEnvNlsCreate: Check the character set is valid and that PHP has access to Oracle libraries and NLS data (extpdo_ocioci_driver.c:558)
看报错，定位错误...
用这个错误百度和谷歌都找了一下，没有对应解决方案。
问题描述：
服务器安装了LAMP环境，跑PHP代码，系统运行一段时间后，apache会自动退出。
退出日志报错为：
AH00050: Child 11195 returned a Fatal error... Apache is exiting!
经排查，配置文件无任何问题。且出现问题了，重启apache会立马自...
Cannot register the DVD image 'C:Program FilesOracleVirtualBoxVBoxGuestAdditions.iso' {f211ea6b-342b-4a52-867b-99cdfc287b45} because a CD/DVD image 'C:Program FilesOracleVirtualBoxVBoxGuestAddition...
for %%i in (*.mp3) do echo %%i
参照：https://blog.csdn.net/pigchan/article/details/5066098
用以上例子改为我需要的代码：
@echo off
for %%jobName in (RT_MJZGHXXB,RT_MJZJZXXB,RT_MJZQDXXB,RT_MJZCFXXB,RT_MJZZFMXB...
只是一种思路，解决出现：ora-02396的问题
出现问题的场景，从数据库查询出一万条记录，循环处理这一万条记录，处理完毕后，再继续查询，使用同一个连接或者连接池，这时候会提示连接超出最大空闲时间。
public static function getInstance($host=0){
$databaseConfig=self::$databaseConfig;...
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