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在一个会话中产生多个连接

2016-04-03 20:28 429 查看
没有大的用处，一般用在测试和演示中，比较方便，避免切换多屏

[oracle@localhost info]$ ttisql

Copyright (c) 1996-2011, Oracle.  All rights reserved.
Type ? or "help" for help, type "exit" to quit ttIsql.

Command> connect plsqldb as conn1;
Connection successful: DSN=plsqldb;UID=oracle;DataStore=/home/oracle/app/oracle/product/TimesTen/tt1122/info/DemoDataStore/plsqldb/plsqldb;DatabaseCharacterSet=AL32UTF8;ConnectionCharacterSet=US7ASCII;LogFileSize=32;DRIVER=/home/oracle/app/oracle/product/TimesTen/tt1122/lib/libtten.so;PermSize=256;TempSize=128;TypeMode=0;PLSQL_MEMORY_SIZE=16;PLSQL_MEMORY_ADDRESS=0x16000000;OracleNetServiceName=ttorcl;LogBufMB=32;
(Default setting AutoCommit=1)
Command> use
* Connection conn1: DSN=plsqldb
Command> connect plsqldb as conn2;
Connection successful: DSN=plsqldb;UID=oracle;DataStore=/home/oracle/app/oracle/product/TimesTen/tt1122/info/DemoDataStore/plsqldb/plsqldb;DatabaseCharacterSet=AL32UTF8;ConnectionCharacterSet=US7ASCII;LogFileSize=32;DRIVER=/home/oracle/app/oracle/product/TimesTen/tt1122/lib/libtten.so;PermSize=256;TempSize=128;TypeMode=0;PLSQL_MEMORY_SIZE=16;PLSQL_MEMORY_ADDRESS=0x16000000;OracleNetServiceName=ttorcl;LogBufMB=32;
(Default setting AutoCommit=1)

conn2: Command> use
Connection conn1: DSN=plsqldb
* Connection conn2: DSN=plsqldb
conn2: Command> use conn1;
conn1: Command> use
* Connection conn1: DSN=plsqldb
Connection conn2: DSN=plsqldb
conn1: Command> disconnect conn2;
Disconnecting from conn2...
conn1: Command> disconnect;
Disconnecting from conn1...
none: Command> use


在两个连接都建立成功后，通过OS监控的结果如下：

[oracle@localhost info]$ ttstatus plsqldb
TimesTen status report as of Sun Apr  3 05:25:28 2016

Daemon pid 2045 port 53392 instance tt1122
No TimesTen server running
------------------------------------------------------------------------
Data store /home/oracle/app/oracle/product/TimesTen/tt1122/info/DemoDataStore/plsqldb/plsqldb
There are 13 connections to the data store
Shared Memory KEY 0x26410778 ID 2883597
PL/SQL Memory KEY 0x27410778 ID 2916366 Address 0x16000000
Type            PID     Context     Connection Name              ConnID
Process         13657   0x092a8ff8  conn1                             1
Process         13657   0x09335d48  conn2                             2
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