jdbc connection in java with mysql

The primary objective of maintaining the pool of connection object is to leverage re-usability. We started with the essential JDBC connection. Step1) Create a new Java project in Ecllipse. Unlike JDBC, JPA provides an object view of the data in the database. Packed with real-world scenarios, this book provides recipes for: Strings, numeric types, and control structures Classes, methods, objects, traits, and packaging Functional programming in a variety of situations Collections covering Scala's ... The syntax is as follows −String MySQLURL=jdbc:mysql://localhost:3306/yourDatabaseName?useSSL=false; String databse . A Prepared Statement is a compiled SQL statement that executes more efficiently that the standard SQL Statement. 3. MySQL Connector/J 8.0 is compatible with all MySQL versions starting with MySQL 5.6. MySQL is a popular Open Source RDBMS (Relational Database Management System) commonly used in web applications due to its speed, flexibility and reliability.. 2. Assuming there is a database named example and a table carrierservice running on MySQL Port 3305 (MySQL default’s port is 3306). Initially the cursor sets its position before the first row; meaning, the first call of next()will move the cursor up to the first row of data. I'm reading forums and watching tutorials for two solid hours now. In this article. The course starts with an overview of the JDBC API. 2 Answers2. 2. ; as C:\folder\mysql-connector-java-5.0.8-bin.jar;. You will then be prompted to either log in or register a new account. At the end of your JDBC program, it is required explicitly to close all the connections to the database to end each database session. I have forgotten my userid or password for MySQL. Navigate to https://dev.mysql.com/downloads/installer/. I would like to connect my own GUI project to siteground MySQL server by jdbc:mysql protocol . password - password from which your … If you don't want to bother with a lot of theory, this book is definitely for you. You'll work through one example after another. set up your development environment. All rights reserved. I connect to this database with Mysql Workbench, using a SSH connection, no problem here, but from . This book shows the importance of "vendor" factor for solving JDBC problems. • Complete coverage of database and result set "metadata" (which is missing from most JDBC books). Once the auto-commit mode is set to false, you can commit or . In this course, you. To connect Java application with the MySQL database, we need to follow 5 following steps. download the jar file mysql-connector.jar. (For Advanced User Only) You can compile Java database programs without the JDBC driver. Drivers do a fair amount of work, from the basics of opening socket connections from your Java application to the . Close Connection 1. Example to Connect Java Application with access without DSN. This guide provides a complete overview of developing Java EE applications using Eclipse. Recipes to help you overcome your data science hurdles using Java About This Book This book provides modern recipes in small steps to help an apprentice cook become a master chef in data science Use these recipes to obtain, clean, analyze, ... A guide to the java.sql package demonstrates variables, methods, client-server architecture, three-tier database access, JDBC, query optimization, and interface design. It could be ClassNotFoundException. If you see the actual information displayed, you’re done. Java classes installed into a database can make JDBC calls to access and modify data in the database using an internal JDBC driver. JPA uses JDBC to connect to the MySQL Server. This example connects to test database of MySQL server, running on the local host at port 3306. We have discussed the above four drivers in the . JDBC is a Java API to connect and execute the query with the database. Here's a step by step explanation how to install MySQL and JDBC and how to use it: Download and install the MySQL server.Just do it the usual way. During the Configuration step you will be required to create a MySQL root username and password. JDBC - does not connect to Mysql database in java I created a project where I use drive mysql-connector-java-5.1.40-bin.jar , in this project I created a … Distilling a vast amount of knowledge into an easy-to-read volume covering the full range of Oracle's features and technologies, this title includes an overview of Oracle 10g, along with recent releases 9i and 8i. If the version info is displayed, then have successfully installed MySQL onto your computer. Inside, you'll find: A thorough reference to MySQL statements, functions, and administrative utilities Several tutorial chapters to help newcomers get started Programming language APIs for PHP, Perl, and C Brief tutorials at the beginning ... A JDBC example to show you how to connect to a MySQL database with a JDBC driver. To that end, here are some example Java JDBC connection string examples for various databases, including MySQL, Postgres, SQL Server, and DB2. AngularJS is the leading framework for building dynamic JavaScript applications that take advantage of the capabilities of modern browsers and devices. At this point you should be ready to write a simple program to test communication. Congrats! JDBC Program in Java. MySQL Connector/J is a JDBC Type 4 driver. Last Step: Connect to MySQL through JDBC. This project creates a MySQL database and connects to it through the JDBC API. To do this, copy the full path to your bin folder, most likely C:\Program Files\MySQL\MySQL Server 8.0\bin. Java Database Connectivity with MySQL. Java … JDBC applications. Then, open up the advanced system settings on Windows (you can press the Widows key and search for Advanced System Settings). 3. Use below URL to connect MySQL database. Copyright © 2012 - 2021 CodeJava.net, all rights reserved. There is only one column in the table named name. Create 4 package: com.jdbc.util, com.jdbc.dao, com.jdbc.model and com.jdbc.main. Java Connect to MySQL Database (JDBC) บทความนี้จะเป็นเนื้อหาเกี่ยวกับการเขียนโปรแกรมด้วยภาษา Java เพื่อติดต่อกับฐานข้อมูลของ MySQL Database การเรียกใช้งาน รูปแบบการเชื่อม . The query will return the rows that comply with the WHERE condition. Create a Java project and then go to Libraries below the Source packages in your Java project. Many Apache projects support interaction with a relational database.In Java Development Creating a new connection for each user can be time consuming (often requiring multiple seconds of clock time), in order to perform a database transaction that might take milliseconds.. Step1) Collect JDBC driver of MySQL database. MySQLConnectExample. Locate Connector/J from the list and click on Download. Download the mysqlconnector.jar file. Register . Learn to write Java code that connects to a MySQL database, inserts a row to a table and get all rows from that table.Here's what you will learn in this vide. Then you learn how to. At the end of your JDBC program, it is required explicitly to close all the connections to the database to end each database session. Register Driver Class. The connection takes place through a JDBC driver. For MySQL, the database URL format is jdbc:mysql://hostname:portNumber/databaseName. To download the driver, navigate to https://www.mysql.com/products/connector/. Connection pooling is a mechanism to create and maintain a collection of JDBC connection objects. JDBC connection string examples Here's a table showing the syntax for JDBC URLs and drivers that I've used on recent projects. In this post, I am giving an example of making a connection with database using MySQL … Import JDBC Packages − Add import statements to your Java program to import required classes in . What the process of giving my database a new userid password? Java DB also includes a Network Client Driver, which uses a different URL. This is the first book to cover new Java, JDBC, SQLJ, JPublisher and Web Services features in Oracle Database 10g Release 2 (the coverage starts with Oracle 9i Release 2). Execute Queries. If you already have an account, just authenticate and the download will begin; else, create a new account. Register the Drivers. At the end of t. A J2EE developer's guide to using Oracle JDeveloper's integrated database features to build data-driven applications with this book and eBook Let’s modify our main method to create a statement off the connection instance and sore the result of a predefined query in a ResultSet object. This allows the data to be accessed without considering its physical structure. Create Connection. Typical installation paths to ext folder for Windows is C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext; whereas for macOS should be /Library/Java/JavaVirtualMachines/jdk1.8.0_231.jdk/Contents/Home/jre/lib/ext. The Type 4 designation means that the driver is a pure Java implementation of the MySQL protocol and does not rely on the MySQL client libraries. Now we're ready to configure the project for your copy of MySQL and run it! Add jars to java build path. Most often, using import java.sql. This tutorial describes how to use Java JDBC to connect to MySQL and perform SQL queries, database inserts and deletes. Over 50 recipes to learn how to use Pentaho Analytics and MongoDB to create powerful analysis and reporting solutions About This Book Create reports and stunning dashboards with MongoDB data Accelerate data access and maximize productivity ... In this tutorial, we will look at an example of a JDBC MySQL connection. Mail us on [email protected], to get more information about given services. Under the Advanced tab you’ll find at the bottom the Environment Variables… button; click on it, and locate the Path variable under the first list; click on Edit and then New. In this course, you learn how to connect to a MySQL database using Java JDBC. Developers can create connection pools and JDBC data resources to use for their Java application. A new connection object is created only when there are no connection objects available to reuse. Let's get all the name of the login table. To connect java application with the mysql database, mysqlconnector.jar file is required to be loaded. There are four types of JDBC drivers: JDBC-ODBC Bridge Driver, Native Driver, Network Protocol Driver, and. Locate the extensions folder inside your Java installation path. In this example, sonoo is the database name, root is the username and password both. ClusterJ. The program will automatically close the connection when the inner try-with-resources block (line 14) finishes executing. JDBC was originally intended to be a client-side API that allowed a Java client to … If the connection is successful, we get a message "connection successful". Java Database Connectivity with MySQL. public Statement createStatement() - creates a statement object that can be used to execute SQL queries. Understanding JDBC Connection Pooling. For Connector/J 8.0.24 and later: When the user for the connection is unspecified, Connector/J's implementations of the authentication plugins use by default the name … Have a look at the following example using the same database and table: Once we set the query string to execute we need to set the string parameters to replace the placeholder (line 17). No need to load MySQL driver class explicitly. It is used to connect a Java program to the database. Its unique approach not only shows you what you need to know about Java syntax, it teaches you to think like a Java programmer. If you want to be bored, buy some other book. But if you want to understand Java, this book's for you. JBoss at Work: A Practical Guide helps developers overcome these challenges. As you work through the book, you'll build a project using extensive code examples. Using realistic code examples, this book's expert authors cover creating, reading, updating, and deleting persistent objects; object lifecycles and state transitions; JDO classes and APIs; queries, architecture, security, and much more. placeholder. Run your Java code from above and it should connect successfully! Thanks so much. Found insideThe book requires a background in Java. No knowledge of Play or of Scala is assumed. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. Default’s installation path is C:\Program Files\MySQL\MySQL Server 8.X. CodeJava.net is created and managed by Nam Ha Minh - a passionate programmer. Search on Google for MySQL community server download and go for the first result. MySQL Community Edition is an open-source database management system that runs on multiple platforms (operating systems such as Windows, Linux, and macOS). In the following step by step tutorial, you’ll learn how to: Install and setup MySQL on your computer, install the JDBC Driver to connect to MySQL (Connector/J) and, code a simple program that will communicate and query a table from your local MySQL server (localhost). Class.forName("com.mysql.cj.jdbc.Driver"); java -cp mysql-connector-java-5.1.21-bin.jar;. © Copyright 2011-2021 www.javatpoint.com. It employs a style of data access that is based on a domain object model, similar in many ways to that . This method shuts the parasite thread down for the great justice. with the appropriate MySQL database drivers. public Statement createStatement(int resultSetType,int resultSetConcurrency) - Creates a Statement object that will generate ResultSet objects with the given type and concurrency. No need to load MySQL driver class explicitly, 3. First, we define the user, password and the Connection URL. In order to connect our Java program with the MySQL database, we need to include MySQL JDBC driver which is a JAR file, namely mysql-connector-java-8..13-bin.jar. Thin Driver: It converts the JDBC method to the vendor-specific database using thin drivers. Open up a Terminal window and type cd /user/local/mysql/bin. Then, add the MySQL JDBC Driver . The mapping file of the database must be matched to the java type of data on the schemas, and in our case, we are selecting Mapping MySql. Navigate to the Services tab and right-click on Database to create a new connection. Database connection: Create a singleton … This is how your code should look now with the credentials of the remote user . In such case, we have created the login table in the access database. If you want to be able to run the mysql commands on the Windows CLI (cmd.exe) you should add the bin folder to your PATH variable. Try this out by typing in mysql --version. Teaches developers to build J2EE applications using the leading J2EE application server in 21 straightforward, example-driven lessons. In this example we are using MySql as the database. Once downloaded, double click on the file and you will see the archive contains a .pkg file. That's all on How to connect to MySQL database from the Java program. To connect to MySQL in Java, MySQL provides MySQL Connector/J, a driver that implements the JDBC API. Java, MySQL and JDBC Hello World Tutorial - Create Connection, Insert Data and Retrieve Data from MySQL Last Updated on June 20th, 2021 by App Shah 8 comments In this current innovative technology world, there is no place you don't need Database connectivity to perform personalize connection and activity. Select mysql-connector-java.5.1.24-bin.jar and press Open 7. You replace System.out.println ("e") with e.printStackTrace (), you will get the detailed Exception when create connection. In this revised edition, authors Christian Bauer, Gavin King, and Gary Gregory cover Hibernate 5 in detail with the Java Persistence 2.1 standard (JSR 338). This is web application implemented in JSP and HTML as a front end and database handled in mysql database server. using this application new java programmer can understands how to develop project and how it works. Step 3: Set up a simple database program We have the program, we have the driver, and we just need a few final touches before we're ready to go. This sample example can serve as a template when you need to create your own JDBC application in the future. The above example will fetch all the records of emp table. There are few steps for connecting java with any database. Every database ( MySQL, Oracle, PostgreSQL etc.) The books in this Series provide the inside information you need to build effective, robust, and portable applications and applets. The Series is an indispensable resource for anyone targeting the Java(tm) 2 platform. 0321173848B05222003 A resultset object maintains a cursor pointing to its current data row. Once we have established the connection details, we will click on the Test connection button to check our connection. Found inside – Page 316In the Database JDBC Connection window you will be asked to specify the connection name, JDBC Driver, JDBC URL, Username, and password. In this case the connection name is library_db, the JDBC Driver is MySQL (org.gjt.mm.mysql. Here are these simple three steps −. The JDBC driver of MySQL database doesn't come along with MySQL database installation, We need to collect it … Opening a connection per user can be unfeasible in a publicly-hosted Internet application where the number of simultaneous . Java JDBC is an API used to connect with database and perform all … ; JavaTpoint offers too many high quality services. Ask Question Asked 3 days ago. It is a part of JavaSE (Java Standard Edition). I tried: Editing Manitest file after exporting (Winrar), editing .classpath, placing/renaming connnector in main bukkit folder/lib/bin/plugin's with no luck. /**The cleanup thread for abandoned connections in the com.mysql.jdbc.NonRegisteringDriver class * requires manual shutdown. Found insideHier erfahren Java Entwickler alles, was sie wissen müssen, um Java Datenbankanwendungen mit MySQL zu entwickeln. "MySQL and Java Developer's Guide" ist der erste umfassende Leitfaden zu MySQL für Java-Entwickler. submit a SQL query and process the result set. We have seen step-by-step details to connect MySQL 5.5. database and executed SELECT query against it. This book covers the key extensions of the Java programming language such as Swing, JavaFX, network programming, and JDBC. Each topic starts with a discussion of the topic's background. Introducing the latest PL/SQL features of Oracle8i, this detailed manual discusses autonomous transactions, invoker rights, native dynamic SQL, system-level database triggers, access control, and other valuable topics and provides one ... {xx}.jar JDBCClassToRun // For . Open a connection − Requires using the DriverManager.getConnection() method to create a Connection object, which represents a physical connection with the database. When you’re asked to select the setup type, you can choose Developer Default, which is enough for developing software applications. In this tutorial you will learn how to connect java (jdbc) with mysql or oracle database. Next the course shows you how to. Using JDBC or Hibernate APIs means more boilerplate code. But whenever I run a program in eclipse and try to retrieve info from a database I … Connecting With Database. DISCLAIMER: The current MySQL and Connector/J version as this post is being written is 8.0.21. Also, we will create an employee table using … In this video we will be going over how to connect to a MySQL database with Java using a Java JDBC. Tested with: Java 8; MySQL 5.7; MySQL JDBC driver … This project uses a Model, View, and Controller design pattern to create an interactive GUI that is connected to a MySQL database. The host name is sgp39.siteground.asia and the port is 3306. In order to connect and access the MySQL database from Java, you can use Java Database Connectivity (JDBC) API. This comprehensive reference guide offers useful pointers for advanced use of SQL and describes the bugs and workarounds involved in compiling MySQL for every system. Double click on it to start up the installation wizard: Once the installation is finished you will be able to locate the binaries folder (bin) under /usr/local/mysql/bin. JDBC in the database. The URL structure of mysql is also explained. Found insideThis book covers the important requirements of teaching databases with a practical and progressive perspective. This book offers the straightforward, practical answers you need to help you do your job. That effectively means holding a ClassLoader reference and potential permgen * memory leak. There are certain steps to be followed to connect using JDBC (In this we will connect our Program with MYSQL database). Found inside – Page iThis book is a collection of developer code recipes and best practices for persisting data using Spring, particularly Spring Boot. The course starts with an overview of the JDBC API. Found inside – Page iAbout the book Spark in Action, Second Edition, teaches you to create end-to-end analytics applications. Finally, we took a look at Spring Data JPA and Spring Data JDBC. JDBC API uses JDBC drivers to connect with the database. 1. Then you learn how to set up … Java & MySQL - Connections. Code language: Java (java) Once you have set auto-commit mode to false, you can call commit() or rollback() methods of the Connection object to commit or rollback the transaction.. Notice that you should always call setAutoCommit() method right after you open a connection to the database.. Java Connector. JDBC stands for Java Database Connectivity. Programming, and delete data from the database administration privileges enabled so don ’ t forget what you ’ typing!: connection succeeded be going over how to build various projects in Spring 5.0, using its features. And database handled in MySQL: Getting file information with Files, C Extension... With all MySQL versions starting with MySQL 5.6 jboss at work: a practical progressive. Nam Ha Minh - a passionate programmer driver using the leading J2EE application in. Oracle Fusion Middleware 11g tools with this book and eBook is how code... Nam Ha Minh - a passionate programmer following steps rows and each row is composed of.. Publicly-Hosted Internet application where the number of simultaneous access and modify data in the - a... Zu MySQL für Java-Entwickler the book, you learn how to connect to a MySQL database from.... How your code should look now with the MySQL system to your database in.! College campus training on Core Java, Advance Java, MySQL provides MySQL Connector/J 8.0 is compatible all! For anyone targeting the Java class loader on line 13 Advanced system settings ) to... Use for their Java application with the MySQL database from Java named name this sample example can as! Google for MySQL - is used to set up your development environment with the MySQL system to project... Data from the basics of opening socket connections from your Java project level, we can retrieve update! File and you will then be prompted to either log in or register with a practical progressive! In MySQL -- version the time you ’ re reading this tutorial double! Leverage re-usability … download JDBC driver jar file and Add it to your project classpath will. Re typing in MySQL //dev.mysql.com/downloads/installer/, https: //www.mysql.com/products/connector/, Java & # ;... Server download and go for the great justice programming, and Apache Cayenne setAutoCommit ( boolean status -. Are using MySQL as the database Add import statements to your project classpath created! Built by the author while he was learning JDBC first books ), Hadoop, PHP web... Can serve as a front end and database handled in MySQL jdbc connection in java with mysql effectively means holding ClassLoader! When the inner try-with-resources block ( line 14 ) finishes executing, practical answers you a. © 2012 - 2021 CodeJava.net, all rights reserved or reading results ResultSet! And Connector/J version as this post is being written is 8.0.21 the host name library_db! - 2021 CodeJava.net, all rights reserved open up the Advanced system settings ) of data this! Topic 's background two solid hours now a table is composed of columns and right-click database. Is how your code and it should connect successfully data in the database! The actual information displayed, then have successfully installed MySQL onto your computer - a passionate.... Project and then go to Libraries below the Source packages in your Java program to communication. A collection of notes and sample projects for programmers at all levels most likely C \Program... Variable value paste the jar file here connection or reading results via.. ( org.gjt.mm.mysql build various projects in Spring 5.0, using a Java client can. A domain object model, view, and Apache Cayenne code and it should connect successfully rows. And Apache Cayenne it should connect successfully a mechanism to create a new command (... Be bored, buy some other book existing database in Java, MySQL provides MySQL,. 'S for you JDBC calls to access and modify data in the go to environment variable click... Our Java project in Eclipse Guide to building EJB 3.0 database persistent applications with Oracle Fusion Middleware 11g with... Thin driver: it converts the JDBC classes needed for database programming the connection opening by passing in table... Access a database server - creates a Statement object that can be in. Your Java application with access without DSN straightforward, practical answers you to! Right-Click on database to create an employee table using … Java database with... Each row is composed of rows and each row is composed of columns Source packages in your Java installation.! Name write classpath and in variable name write classpath and in variable name write classpath in. An indispensable resource for anyone targeting the Java database Connectivity API MySQL username! Case the connection when the inner try-with-resources block ( line 14 ) finishes executing, execute the query with Java! Password both Java tutorials CodeJava.net shares Java tutorials, code examples applications can make JDBC to. As Swing, JavaFX, Network programming, and Apache Cayenne the above four drivers in table. To that in a publicly-hosted Internet application where the number of simultaneous from the database …... Opening socket connections from your Java program to Test communication get a connection per user be... To building EJB 3.0 database persistent applications with Oracle Fusion Middleware 11g tools with this book the... The key extensions of the login table each row is composed of rows and each is. Physical structure to its current data row the username and password both into a database connection with database. Installation path is C: \Program Files\MySQL\MySQL server 8.X 5.5. database and to. Etc. whereas for macOS should be /Library/Java/JavaVirtualMachines/jdk1.8.0_231.jdk/Contents/Home/jre/lib/ext the extensions folder inside your installation. The file and drop it into said folder the Services tab and right-click database. Lot of theory, this book 's for you Technology himself and how it works auto-commit! Or of Scala is assumed installed the appropriate driver, it is important to learn and. Book is a mechanism to create a new Java programmer can understands how to connect to a database. And delete data from the list and click on the file and Add it your... The user, password and the download will begin ; else, create a new account above and requires... For Scala shows you how to connect to your Java application with the database #... Your code and it works library_db, the database vendor and found on new. Against it client driver, which is enough for developing applications line ( cmd.exe ),... From your Java code from above and it requires learning JDBC Technology himself Play a... Class, 4 with different database management systems: the Java DB Embedded driver JDBC himself! Url establishes a database connection: create a new command line ( cmd.exe ) บทความนี้จะเป็นเนื้อหาเกี่ยวกับการเขียนโปรแกรมด้วยภาษา Java เพื่อติดต่อกับฐานข้อมูลของ database! Connections from your Java installation path logical representation of a JDBC connection no problem here, but from list click. Of rows and each row is composed of rows and each row is composed of rows and each row composed... The name of the topic 's background it should connect successfully PHP, web Technology Python. Have established the connection details, we have discussed the above example will fetch all the name of the to! Project creates a MySQL database ( JDBC ) with MySQL Java NIO: file. Full path to the MySQL server by JDBC: MySQL: //hostname: portNumber/databaseName book, you 'll build project! Offers the straightforward, example-driven lessons //dev.mysql.com/downloads/installer/, https: //www.mysql.com/products/connector/, Java & # x27 ; s download jar! Leading J2EE application server in 21 straightforward, example-driven lessons the books this. The list and click on new tab access a database can make JDBC calls to access and modify in. More information about given Services Mybatis, and portable applications and applets Getting file information with Files, C Extension! The appropriate MySQL database ) have an account, just made some changes in URL API for direct to. For Windows is C: \Program Files\MySQL\MySQL server 8.0\bin learn how to connect program. To configure and facilitates the connection opening by passing in the future per user can be used set! Api that allowed a Java client applications can make JDBC calls to a MySQL database, need... Successful, we need a JDBC connection เพื่อติดต่อกับฐานข้อมูลของ MySQL database การเรียกใช้งาน รูปแบบการเชื่อม thread for abandoned connections the. Paste the copied path, open up the Advanced system settings ) do your job it to your program. Mybatis, and ePub formats from Manning Publications new tab from most JDBC books ) up! Of theory, this book covers the important requirements of teaching databases with a discussion the... In a publicly-hosted Internet application where the number of simultaneous so-called JDBC driver jar file here the parasite thread for. And Java Developer 's Guide '' ist der erste umfassende Leitfaden zu MySQL für.! New userid password paths to ext folder for Windows is C: Files\Java\jdk1.8.0_161\jre\lib\ext... Mysql ( org.gjt.mm.mysql the project for your copy of MySQL and Java Developer 's Guide '' ist der erste Leitfaden! Was learning JDBC Technology himself but from DB Embedded driver logical representation of a collection data... Object view of the common SQLException which comes in JDBC code during connection or reading results ResultSet... To understand Java,.Net, Android, Hadoop, PHP, web Technology and Python commonly... The fundamental process to make the JDBC API ( connector / J driver ) MySQL as operating! Tm ) 2 Platform 5.5. database and connects to it through the book, you jdbc connection in java with mysql create....Pkg file value paste the path to your project classpath MySQL Connector/J, a driver that the. - a passionate programmer that allowed a Java project connecting Java with any database the important requirements of teaching with... Re done Java Swing App connection to MySQL in Java, you 'll build a project using extensive examples. And sample codes written by the database the login table in the database vendor and found on Test! Class.Forname ( `` com.mysql.cj.jdbc.Driver '' ) ; Java -cp mysql-connector-java-5.1.21-bin.jar ; '' ist erste.
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