BasicDataSource dataSouce =new BasicDataSource(); // 连接池参数配置:初始化连接数、最大连接数 / 连接字符串、驱动、用户、密码 dataSouce.setUrl("jdbc:mysql:///jdbc_demo");//数据库连接字符串 dataSouce.setDriverClassName("com.mysql.jdbc.Driver");//数据库驱动 dataSouce.setUsername("root");/...
1、本文介绍 Spring Boot 内部集成的 JDBC 模板访问 Mysql 数据库,环境:Java JDK 8 + Spring boot 2.1.5 + HikariDataSource + Mysql/Oracle + JdbcTemplate
1<Context >2<Resource name="jdbc/EmployeeDB"3auth="Container"4type="javax.sql.DataSource"5username="dbusername"6password="dbpassword"7driverClassName="org.hsql.jdbcDriver"8url="jdbc:HypersonicSQL:database"9maxTotal="8"10maxIdle="4"/>11</Context>...
<bean class="com.alibaba.druid.pool.DruidDataSource"> <property name="password" value="${jdbc.password}"/> <property name="username" value="=${jdbc.user}"/> <property name="url" value="${jdbc.url}"/> <property name="driverClassName" value="${jdbc.driver}"/> <!--连接池中连接数...
JDBC2.0 提供了javax.sql.DataSource接口,它负责建立与数据库的连接,当在应用程序访问数据库时不必编写连接数据库的代码,直接引用DataSource获取数据库的连接对象即可。用于获取操作数据库Connection对象。 数据源与数据连接池的关系 数据源DataSource建立多个数据库连接池Connection Pool,这些数据库连接(Connection)会保存在...
the log writer for this data source, null if disabled Throws: java.sql.SQLException- if a database-access error occurs. setTNSEntryName public voidsetTNSEntryName(java.lang.String dbname) Set the TNS entry name. Works only for JDBC OCI driver. Assumed that client side Oracle in installed ...
java 获取数据库连接池 datasource java连接数据库url解析 1.常用类与方法 1.1连接 java.sql.Connection 代表与某一数据库的连接。 Connection java.sql.DriverManager. getConnection(String url, String user, String password) 用来连接数据库,URL由 jdbc: + ip:port +dateBaseName组成,一个例子:...
JDBCDataSourceMBean Attribute:RowPrefetchEnabled Default:false Valid values: true false Row Prefetch Size The number of result set rows to prefetch for a client. The optimal value depends on the particulars of the query. In general, increasing this number will increase performance, until a particu...
2.1. Installing Quarkus extensions for JDBC data sources 2.2. Setting the JDBC URL of your data source 2.3. Obtaining a JDBC data source with Hibernate ORM 2.4. Disabling a JDBC data source in a simultaneous configuration...
* JDBC url of the database. */ privateStringurl; /** * Login user of the database. */ privateStringusername; /** * Login password of the database. */ privateStringpassword; /** * JNDI location of the datasource. Class, url, username & password are ignored when ...