CREATE DATABASE {tablename} DEFAULT CHARACTER SET UTF8 COLLATE utf8_general_ci;
2,显示特定表的建表语句
show create table {tablename};
3,查看系统字符集设置
show variables like 'char%'
4,Oracle SQLDeveloper连接配置文件位置
C:\Users\{UserName}\AppData\Roaming\SQL Developer\system17.2.0.188.1159\o.jdeveloper.db.connection
5,生成随机字符串
SELECT SUBSTRING(MD5(RAND()) FROM 1 FOR 32) AS str