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1.ÊÇ·ñÅäÖÃΪ¹²Ïí·þÎñÆ÷£¬×îÖ÷ÒªµÄ²ÎÊýÊÇ:

8i mts_servers
9i shared_server
show parameter shared_server mts_servers

Èç¹ûÊýÖµ > 0 ,¾ÍÊÇenableÁ˹²Ïí·þÎñÆ÷.

2.ÔÚÅäÖÃΪ¹²Ïí·þÎñÆ÷µÄÇé¿ö£¬Client¿ÉÒÔÑ¡ÔñÓù²Ïí·þÎñÆ÷»òÕßרÓ÷þÎñÆ÷À´Á¬½Óµ½Êý¾Ý¿â£¬Õâ¸ö²ÎÊýµÄ¿ØÖÆÊÇÔÚtnsnames.oraÀïÉ趨µÄ¡£

aaaa=
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = aaaa)(PORT = 1521))
)
(CONNECT_DATA =
(SID = aa)
(SERVER = DEDICATED)
)
)

ºìÉ«²¿·ÖÖ¸¶¨ÁËÓÃDEDICATED·½Ê½Á¬½ÓDB.

ÁíÍ⣬Background process ,ÒÔ¼°Í¨¹ý±¾µØÁ¬½Ó½øÀ´µÄ£¬Ö»ÄÜÊÇDEDICATED

±ÈÈç˵sqlplus user/pass ÐÎʽ

Èç¹ûDBûÓÐÅäÖù²Ïí·þÎñÆ÷£¬ÄÇôClientÖ»ÄÜÒÔDEDICATED·½Ê½Á¬½ÓDB.

3.ÅжÏÒ»¸öÒѾ­Á¬½ÓµÄsessionµÄÁ¬½Ó·½Ê½ÓÐÁ½ÖÖ·½·¨£º

A:
select server from v$session
where ...

Èç¹ûserver = 'DEDICATED'ÔòÊÇDEDICATED·½Ê½

server='SHARED'ÔòÊÇshared·½Ê½£¬²¢ÇÒÕýÓÐshared_server_processΪÆä·þÎñ

server='NONE'µÄ»°£¬ÔòÊÇshared·½Ê½£¬²¢ÇÒµ±Ç°Ã»ÓÐshared_server_processΪÆä·þÎñ¡£

B.:½öÓÃÓÚUnix µ×Ï£¬Ëƺõwindown²»ÐÐ

Á¬½Óv$session, v$process ¿´processÖеÄprogram

1 select p.program,s.server from v$session s , v$process p
2* where s.paddr = p.addr

Èç¹û program Ϊ ¡£¡£(S0NN) µÄ£¬ÔòÊÇshared·½Ê½£¬²¢ÇÒÕýÓÐshared_server_processΪÆä·þÎñ

Èç¹û program Ϊ ¡£¡£(D0NN) µÄ£¬ÔòÊÇshared·½Ê½£¬²¢ÇÒµ±Ç°Ã»ÓÐshared_server_processΪÆä·þÎñ

Èç¹û program Ϊ ÆäËüµÄ£¬ÔòÊÇ'DEDICATED'·½Ê½¡£
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