connection management

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Copy Code code as follows: Package com.groundhog.codingmouse; Import java.sql.Connection; Import Java.sql.DriverManager; Import java.sql.PreparedStatement; Import Java.sql.ResultSet; Import java.sql.SQLException; /** * Database

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Basic working principle of connection pool 1. Basic concepts and principles As can be seen from the above analysis, the root of the problem lies in the inefficient management of the database connection resources. We know that for shared resources,

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7.3.4 Header The content of the header depends on whether the message is a broadcast message or a data message. There are 7 types of broadcast messages,Adv_ind----General Broadcast InstructionsAdv_direct_ind----Directional connection

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MySQL can be seen as a two-tier architectureThe first layer of SQL layers, including permission judgment, SQL parsing, Execution plan optimization, query cache processing, and so on;The second tier of storage engine layer (Storage engine layers) is

GoalThe provides a oracle database unification Access agent layer, Unified management of connection pooling for all Oracle database user names, allowing multiple application systems to have the same database user common connection pool to save

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-- what data structures are used for connection pooling? --Implementation of connection pooling code--Thread safety issues "database connection pool design ideas and Java implementation" "http://blog.csdn.net/shijinupc/article/details/7836129" Java

Basic working principle of connection pool 1. Basic concepts and principles As can be seen from the above analysis, the root of the problem lies in the inefficient management of the database connection resources. We know that for shared resources,

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