在你的应用程序中,使用配置好的连接池来获取数据库连接并执行SQL操作: importjava.sql.Connection;importjava.sql.PreparedStatement;importjava.sql.ResultSet;importjava.sql.SQLException;publicclassDatabaseUtil{privatestaticHikariDataSourcedataSource=HikariCPConfig.dataSource();publicstaticvoidmain(String[] args){t...
Year JDBC Version JSR Specification JDK Implementation 2017 JDBC 4.3 JSR 221 Java SE 9 **2014 JDBC 4.2 JSR 221 ** Java SE 8 2011 JDBC 4.1 JSR 221 Java SE 7 2006 JDBC 4.0 JSR 221 Java SE 6 2001 JDBC 3.0 JSR 54 JDK 1.4 1999 JDBC 2.1 JDK 1.2 1997 JDBC 1.2 JDK 1.1 jdbc规范版本更...
就将自身注册到 DriverManager 中java.sql.DriverManager.registerDriver(newDriver());}catch(SQLExceptionE){thrownewRuntimeException("Can't register driver!");}}/**
* as implementation of java.sql.Driver but the actual class * may be missing. In that case a java.util.ServiceConfigurationError * will be thrown at runtime by the VM trying to locate * and load the service. * * Adding a try catch block to catch those runtime errors * if driver no...
there may be a packaged driver with the service class * as implementation of java.sql.Driver but the actual class * may be missing. In that case a java.util.ServiceConfigurationError * will be thrown at runtime by the VM trying to locate * and load the service. * * Adding a try ...
Spring Data JDBC generic DAO implementation in Java (more up-to-date fork) - jirutka/spring-data-jdbc-repository
1. EmployeeBean.javaのパッケージを宣言します。 package com.oracle.jdbc.samples.bean; Import com.oracle.jdbc.samples.entity.Employee; 3. 次に示すように、他の依存クラスをインポートします。特定のクラスがインポートされない場合、JDeveloperでは、必要なパッケージのインポートを促すメッセ...
Class.forName("");的作用是要求JVM查找并加载指定的类,首先要明白,java里面任何class都要装载在虚拟机上才能运行,而静态代码是和class绑定的,class装载成功就表示执行了你的静态代码了,而且以后不会再走这段静态代码了。 而我们前面也说了,Class.forName(xxx.xx.xx)的作用就是要求JVM查找并加载指定的类,如果在...
MySQL Connector/J, as a rigorous implementation of the JDBC API, passes all of the tests in the publicly available version of Oracle's JDBC compliance test suite. The JDBC specification is flexible on how certain functionality should be implemented. This section gives details on an interface-by...
ORA-17066 Access layer specific implementation needed 访问层需要具体实施。 ORA-17067 Invalid Oracle URL specified 指定了无效的 URL。 ORA-17068 Invalid argument(s) in call 调用中的无效参数。 ORA-17069 Use explicit XA call 使用明确的 XA 调用。 ORA-17070 Data size bigger than max size for this...