private static void deleteData(Todo todo, Connection connection) throws SQLException { log.info("Delete data"); PreparedStatement deleteStatement = connection.prepareStatement("DELETE FROM todo WHERE id = ?;"); deleteStatement.setLong(1, todo.getId()); deleteStatement.executeUpdate(); readData(conne...
publicclassHelloJDBC {staticfinalString JDBC_DRIVER = "com.mysql.jdbc.Driver";staticfinalString DB_URL = "jdbc:mysql://localhost/helloworld";staticfinalString USER = "matt";staticfinalString PASSWORD = "matt";publicstaticvoidhelloworld()throwsClassNotFoundException { Connection conn=null; Statement ...
"com.mysql.jdbc.Driver";//数据库驱动 String tableName = "studentinfo";//数据库表名 String...con = DriverManager.getConnection(url,user,password); stmt = con.createStatement(); //往数据库插入数据..." + tableName + " values(001,'tanzhenyu','male','GIS')"; stmt.executeUpdate(sqlstr)...
mysql.cj.jdbc.ClientPreparedStatement.executeUpdateInternal(ClientPreparedStatement.java:1040) at com.mysql.cj.jdbc.ClientPreparedStatement.executeLargeUpdate(ClientPreparedStatement.java:1347) at com.mysql.cj.jdbc.ClientPreparedStatement.executeBatchedInserts(ClientPreparedStatement.java:716) ... 15 more [...
int executeUpdate(): This method is used to execute insert, delete and update queries. It will return an integer value indicating numbers database row affected by the query.int executeUpdate():此方法用于执行插入,删除和更新查询。 它将返回一个整数值,指示受查询影响的数字数据库行。
at com.mysql.jdbc.ResultSetImpl.close(ResultSetImpl.java:881) After looking at code in MySQL driver I see that driver tries to execute statement: stmt.executeUpdate("SET net_write_timeout=" + oldValue); But if transaction is read only (as in my case), this code will throw an exception...
Also, when I switch back to the MySQL connection, comment out the line that inserts the first initial record, and try to update a CachedRowSet that originally had no records in it, the CachedRowSet is able to update the database without throwing an exception: // statement.executeUpdate("...
ps.executeUpdate(); ps.close(); } public static void main(String[] args) throws IOException{ PlayerskinToPlayerprofile ptp=new PlayerskinToPlayerprofile(); ptp.getTable2(); //System.out.println("程序入口"); } }/// 运行效果 这里只给出控制...
I am using Java's JDBC API to talk to MySQL. I need to invoke the executeUpdate(String query, int getGeneratedKeys) method of the Statement class. I need this because I need to insert a record and have the database return the value for the auto_incremented key field. I have been unabl...
st.executeUpdate(ls_up); con.commit(); //change autocommit status con.setAutoCommit(true); } catch(Exception ee){} Subject Written By Posted java transcation doesn't work well yingyuan liu July 28, 2006 01:10AM Re: java transcation doesn't work well ...