与各种RDBM中的嵌入式SQL相比，存储过程的性能是什么？

From my experience with DB2 on Z/OS there is no difference between embedded SQL and stored procedures as both get compiled to native code. On the other hand I know that in Oracle there is a huge difference - is it true and how is it in other DBs? Please provide some links to support your claims.From my experience with DB2 on Z/OS there is no