import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; public class ReturningResultSet { public static ResultSet retrieveData() throws SQLException{ //Registering the Driver DriverManager.registerDriver(new com.mysql...
d.注册输出参数,如:cs.registerOutParameter(2, oracle.jdbc.OracleTypes.VARCHAR); e.执行过程cs.execute(); f.获取过程返回结果,如:ResultSet rs = (ResultSet)cs.getObject(2); g. 最后在finally中关闭资源。 import java.sql.CallableStatement; import java.sql.Connection; import java.sql.DriverManager; i...
通过RdbStore.query()获取resultSet对象,出现resultSet的rowCount返回结果为-1 如何读取本地/预制数据库 用sqlite开发时,怎么保证数据库同一时间只能支持一个写操作?怎么创建索引? 数据库查询失败 14800007 RdbStore多线程安全注意事项 如何通过谓词查询方式获取数据 数据库batchInsert和单个事务insert效率问题 如...
方法getFunctionColumns返回的 中ResultSet列COLUMN_TYPE的可能值。 在1.6 中添加。 的java.sql.DatabaseMetaData.functionReturnJava 文档。 此页面的某些部分是基于 创建和共享的工作进行的修改,并根据 署名许可中所述的条款使用。 适用于 产品版本(已过时) .NET Android (.NET Android API 33, .NET Android API...
A possible value for the columnCOLUMN_TYPEin theResultSetreturned by the methodgetProcedureColumns. Java documentation forjava.sql.DatabaseMetaData.procedureColumnReturn. Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms...
Typically we would expect these resultsets to be processed by a client programming language, like Java or C#, but they can be processed in PL/SQL using theGET_NEXT_RESULTprocedure in theDBMS_SQLpackage. The following code sample executes the procedure using theDBMS_SQLpackage. Since the proce...
SQLException - if a database access error occurs, this method is called on a closed Statement or the given SQL statement produces anything other than a single ResultSet object Some JDBC drivers apparently just ignore and discard DDL and DML results in executeQuery() rather than throwin...
Therefore, the first statement from the java code will always pass: if(rs.next()) // Found... else // Not found ... ... So how do I return a null resultset ?? e.g. SELECT NULL, etc..; Thanks a lot. Subject Views
packagecn.edu.bdu.mc.daos.impls;importjava.io.File;importjava.io.FileInputStream;importjava.io.IOException;importjava.io.InputStream;importjava.sql.Connection;importjava.sql.PreparedStatement;importjava.sql.ResultSet;importjava.sql.SQLException;importjava.util.Date;importjava.util.List;importjavax.sql...
Therefore, the first statement from the java code will always pass: if(rs.next()) // Found... else // Not found ... ... So how do I return a null resultset ?? e.g. SELECT NULL, etc..; Thanks a lot. Subject Views