ÁªºÏÊý¾Ý¿âϵͳʹÓû§ºÍÓ¦ÓóÌÐò¿ÉÔÚµ¥¸ö SQL Óï¾äÖÐÒýÓöà¸öÊý¾Ý¿â¹ÜÀíϵͳ»òÊý¾Ý¿â¡£ÀýÈ磬¿ÉÔÚ DB2® ±íºÍ Microsoft® SQL Server ÊÓͼ֮¼äÖ´ÐÐ UNION¡£ÁªºÏϵͳ°üÀ¨ DB2 ʵÀýºÍÊý¾Ý¿âÒÔ¼°Ò»¸ö»ò¶à¸öÊý¾ÝÔ´¡£Ã¿¸öÊý¾ÝÔ´¶¼ÓÉ·Ç DB2 DBMS ºÍÊý¾Ý×é³É¡£
ÔÚ InfoSphere™ Federation Server ¹ØÏµÐͰü×°Æ÷ÖÐÌṩÁ˲»Í¬µÄ°ü×°Æ÷£¬ÒÔÔÊÐí DB2 ·þÎñÆ÷·ÃÎʲ»Í¬µÄÊý¾ÝÔ´¡£ÌṩÁË¿ÉÓÃÓÚ Oracle¡¢Sybase¡¢Microsoft SQL Server ºÍ Teradata µÄ°ü×°Æ÷¡£Informix® Êý¾ÝÔ´ºÍ DB2 Êý¾ÝÔ´µÄ°ü×°Æ÷ÊÇ×÷Ϊ DB2 ·þÎñÆ÷²úÆ·µÄÒ»²¿·ÖÌṩµÄ¡£
ÔÚÉèÖà InfoSphere Federation Server ¹ØÏµÐͰü×°Æ÷֮ǰ£¬±ØÐëÍê³ÉÒÔÏÂÁ½ÏîÈÎÎñ£º
½¨ÒéÄúʹÓÃÊý¾ÝÔ´¹©Ó¦É̵IJéѯ¹¤¾ßÀ´²âÊÔ´ËÁ¬½Ó£¬´Ó¶øÊ¹·þÎñÆ÷¶¨ÒåÓöµ½µÄÈκÎÎÊÌâ¶¼¿É»®·ÖΪÒÔÏÂÁ½Àà²úÆ·µÄ°²×°ºÍÅäÖÃÎÊÌ⣺
ÒªÉèÖÃÓÃÓÚ Microsoft SQL Server Êý¾ÝÔ´µÄ InfoSphere Federation Server ¹ØÏµÐͰü×°Æ÷£¬Ó¦ÌṩÒÔÏÂÐÅÏ¢£º
¡°DB2 °²×°¡±Ïòµ¼½«Îª´ËÊý¾ÝÔ´°²×°Ò»¸ö°ü×°Æ÷²¢ÉèÖà InfoSphere Federation Server ¹ØÏµÐͰü×°Æ÷ÒÔ·ÃÎʸÃÊý¾ÝÔ´¡£
¿ÉÔÚÉÔºóͨ¹ýʹÓá°DB2 °²×°¡±Ïòµ¼»òÃüÁîÐд¦ÀíÆ÷£¨CLP£©À´ÉèÖÃÓÃÓÚÊý¾ÝÔ´µÄ InfoSphere Federation Server ¹ØÏµÐͰü×°Æ÷¡£
¡°DB2 ÐÅÏ¢ÖÐÐÄ¡±ÖÐÌṩÁËÓйØÊ¹Óà InfoSphere Federation Server ¹ØÏµÐͰü×°Æ÷À´·ÃÎÊ·Ç DB2 Êý¾ÝÔ´µÄ¸ü¶àÐÅÏ¢¡£