PreparedStatement批处理
PreparedStatement批量更新关键代码 无 import java.sql.Connection;import java.sql.PreparedStatement; //...String sql = "insert into employee (name, city, phone) values (?, ?, ?)";Connection connection = new getConnection();PreparedStatement p
PreparedStatement批量更新关键代码import java.sql.Connection; import java.sql.PreparedStatement; //... String sql = "insert into employee (name, city, phone) values (?, ?, ?)"; Connection connection = new getConnection(); PreparedStatement ps = connection.prepareStatement(sql); for (Employee employee: employees) { ps.setString(1, employee.getName()); ps.setString(2, employee.getCity()); ps.setString(3, employee.getPhone()); ps.addBatch(); } ps.executeBatch(); ps.close(); connection.close();

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So, you work hard. Of course, the rough-and-tumble worker has 1,000 Chrome windows and tabs open all the time. You absolutely don't have the patience to open every Chrome window and close them one by one. You will think at least 100 times about how to easily close all open Chrome windows and tabs with just one click! Well, why should you worry while we're here? In this article, we explain how to close all open Chrome windows easily through 2 different methods, a non-geek method and a geek method! Hope you like it! Method 1: Through any open Google Chrome window This method is very simple and involves only one step. So you open a lot of Google

If you're looking for a way to automatically create and name files and folders based on system timestamps, you've come to the right place. There is a super simple way to accomplish this task. The created folders or files can then be used for various purposes such as storing file backups, sorting files based on date, etc. In this article, we will explain in some very simple steps how to automatically create files and folders in Windows 11/10 and name them according to the system’s timestamp. The method used is a batch script, which is very simple. Hope you enjoyed reading this article. Section 1: How to automatically create and name a folder based on the current timestamp of the system Step 1: First, navigate to the parent folder where you want to create the folder,

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How to use BAT batch script With the popularity of computers and the expansion of application fields, BAT batch script is used more and more widely in actual work. BAT batch script is a script language running under the Windows operating system. It can complete some common operation tasks through a series of commands. In this article, we will introduce the basic syntax of BAT batch scripts and some common usage scenarios. 1. Basic syntax of BAT batch script. BAT batch script is a text file composed of a series of commands.

The Yii framework is an excellent PHP development framework that is popular among developers for its fast, efficient, simple and easy-to-use features, and clear code. In the Yii framework, batch processing is a very important data processing method that can greatly improve data processing efficiency. This article will focus on the use of batch processing in the Yii framework and how to optimize its data processing efficiency. 1. What is batch processing? In web development, due to the large amount of data that needs to be processed and the high number of concurrent accesses, we need to use "batch processing" to process data.

If you are someone who clicks the Pin to taskbar option for almost every app you use, you are now living with an overly cluttered taskbar that is too difficult to manage. Well, you are definitely looking for a way to organize your taskbar in the least time possible and in the most efficient way. So, is there any way that you can click somewhere and the click will magically clear your taskbar for you? Well, we're here to talk about that click! In this article, we will explain how to organize your taskbar easily with the help of a simple batch script. Read on to learn how to master this simple trick. Note: Please note that even if you follow this method, only user-pinned icons will be removed from the taskbar and system-pinned icons such as Windows and Search

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