Navicat连接Oracle数据库,
看了这个文章:https://blog.csdn.net/clevercode/article/details/52695416
参考里面的内容进行操作,
set @num=100;
select @num;
set @num:=100;
select @num;
这两段代码都提示错误:
[SQL]set @num=100
[Err] ORA-00922: missing or invalid option
select @num:=1000;
提示错误
[SQL]set @num:=100
[Err] ORA-00922: missing or invalid option
这是怎么回事啊?