ORACLE SQL Plus

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SQLPLUS 模式下查询文件内容：v$controlfile / v$datafile / v$logfile
SQLPLUS 模式下帮助：help index
SQLPLUS 模式下执行文件sql：@文件
SQLPLUS 模式下查看文件sql：get 文件
edit修改的脚本以“/”作为结束符
sql文件脚本和屏幕输入脚本以“;”作为结束符
显示设置：
1. 转换过程是否显示：set verify on/off
2. 总结句是否显示：set feedback on/off
3. 标题栏是否显示：set heading on/off
4. 执行sql文件时脚本是否显示：set echo on/off
5. 定义换页行数：set pages 100
确定编辑工具（Linux system）define _editor = vi
按回格键backspace出现乱码须使用root用户执行（Linux system）stty erase 乱码内容
例如：stty erase ^?
使用“/”调用上一条SQL命令
&引导变量：提示用户输入值；
DEFINE:定义变量；
UNDEFINE:清除变量
&&替代变量：只是提示输入一次
&替代变量：每次运行都需要输入
'&替代变量'：在where条件中日期和字符值使用替代变量需要用单引号

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