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官方文档 : http://www.mchange.com/projects/c3p0/index.html<c3p0-config><default-config><!--当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。Default: 3 --><property name="acquireIncrement">3</property><!--定义在从数据库获取新连接失败后重复尝试的次数。Default: 30 --><property name="acquireRetryA 阅读全文
posted @ 2013-06-21 11:28
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c3p0-config.xml<c3p0-config> <default-config> <property name="automaticTestTable">con_test</property> <property name="checkoutTimeout">30000</property> <property name="idleConnectionTestPeriod">30</property> <property n 阅读全文
posted @ 2013-06-21 11:12
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SELECT /*+ rule */ s.username,decode(l.type,'TM','TABLE LOCK','TX','ROW LOCK',NULL) LOCK_LEVEL,o.owner,o.object_name,o.object_type,s.sid,s.serial#,s.terminal,s.machine,s.program,s.osuserFROM v$session s,v$lock l,dba_objects oWHERE l.sid = s.sidAND l.id1 = o.object_id( 阅读全文
posted @ 2013-06-21 10:17
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