在MySQL中，要在字符串中引用字符串，可以使用下列哪项？( )
"This is the "quoted" message"
"This is the ""quoted"" message"
'This is the "quoted" message'
"This is the \"quoted\" message"
青云测评
青云测评
在MySQL中，要在字符串中引用字符串，可以使用下列哪项？( )
"This is the "quoted" message"
"This is the ""quoted"" message"
'This is the "quoted" message'
"This is the \"quoted\" message"
