sql N+一查询

sql N+1查询http://www.javathinker.org/main.jsp?bcshowessay.jsp&filenamehibernate/hibernate_essay_

sql N+1查询

http://www.javathinker.org/main.jsp?bc=showessay.jsp&filename=hibernate/hibernate_essay_8.htm

到以上网站解析的相当详细.