BackLinks of SQL,structured_query_language Copy: has NO comma Hide Show BackLinks search for "SQL,structured_query_language" Search BackLinks only Display context of search results Case-sensitive searching Khan_Academy_SQL SQL,structured_query_language database 널,null 릴레이션relation 언어,language 질의query 퀴리,query Found 8 matching pages out of 2008 total pagesShow Context.You can also click here to search title.