Where is mysql jdbc driver located?

To use the database system for the SAP Signavio application server, you need to add a compatible JDBC driver to the Apache Tomcat installation. Consider the vendor’s license agreements for using the JDBC driver.

Downloading the JDBC driver for MySQL

Download the MySQL Connector/J JDBC driver version 5.1.47 here:

Download for Linux

Download for Windows

Alternatively, open the download website of the MySQL Connector/JDBC driver:

http://dev.mysql.com/downloads/connector/j/

Select version 5.1.47 and Platform Independent.

Unpack the archive to a location of your choice. The JDBC driver is the file mysql-connector-java-5.1.47-bin.jar.

Copy the JAR library of the JDBC driver into the Apache Tomcat installation directory to the folder $TOMCAT_DIR/lib.

To start developing with JDBC, you should setup your JDBC environment by following the steps shown below. We assume that you are working on a Windows platform.

Install Java

Java SE is available for download for free. To download click here, please download a version compatible with your operating system.

Follow the instructions to download Java, and run the .exe to install Java on your machine. Once you have installed Java on your machine, you would need to set environment variables to point to correct installation directories.

Setting Up the Path for Windows 2000/XP

Assuming you have installed Java in c:\Program Files\java\jdk directory −

• Right-click on 'My Computer' and select 'Properties'.

• Click on the 'Environment variables' button under the 'Advanced' tab.

• Now, edit the 'Path' variable and add the path to the Java executable directory at the end of it. For example, if the path is currently set to C:\Windows\System32, then edit it the following way

C:\Windows\System32;c:\Program Files\java\jdk\bin

Setting Up the Path for Windows 95/98/ME

Assuming you have installed Java in c:\Program Files\java\jdk directory −

• Edit the 'C:\autoexec.bat' file and add the following line at the end −

SET PATH = %PATH%;C:\Program Files\java\jdk\bin

Setting Up the Path for Linux, UNIX, Solaris, FreeBSD

Environment variable PATH should be set to point to where the Java binaries have been installed. Refer to your shell documentation if you have trouble doing this.

For example, if you use bash as your shell, then you would add the following line at the end of your .bashrc −

export PATH = /path/to/java:$PATH'

You automatically get both JDBC packages java.sql and javax.sql, when you install J2SE Development Kit.

Install Database

The most important thing you will need, of course is an actual running database with a table that you can query and modify.

Install a database that is most suitable for you. You can have plenty of choices and most common are −

• MySQL DB − MySQL is an open source database. You can download it from MySQL Official Site. We recommend downloading the full Windows installation.

  In addition, download and install MySQL Administrator as well as MySQL Query Browser. These are GUI based tools that will make your development much easier.

  Finally, download and unzip MySQL Connector/J (the MySQL JDBC driver) in a convenient directory. For the purpose of this tutorial we will assume that you have installed the driver at C:\Program Files\MySQL\mysql-connector-java-5.1.8.

  Accordingly, set CLASSPATH variable to C:\Program Files\MySQL\mysql-connector-java-5.1.8\mysql-connector-java-5.1.8-bin.jar. Your driver version may vary based on your installation.

Set Database Credential

When we install MySQL database, its administrator ID is set to root and it gives provision to set a password of your choice.

Using root ID and password you can either create another user ID and password, or you can use root ID and password for your JDBC application.

There are various database operations like database creation and deletion, which would need administrator ID and password.

For rest of the JDBC tutorial, we would use MySQL Database with guest as ID and guest123 as password.

If you do not have sufficient privilege to create new users, then you can ask your Database Administrator (DBA) to create a user ID and password for you.

Create Database

To create the TUTORIALSPOINT database, use the following steps −

Step 1

Open a Command Prompt and change to the installation directory as follows −

C:\>
C:\>cd Program Files\MySQL\bin
C:\Program Files\MySQL\bin>

Note − The path to mysqld.exe may vary depending on the install location of MySQL on your system. You can also check documentation on how to start and stop your database server.

Step 2

Start the database server by executing the following command, if it is already not running.

C:\Program Files\MySQL\bin>mysqld
C:\Program Files\MySQL\bin>

Step 3

Create the TUTORIALSPOINT database by executing the following command −

C:\Program Files\MySQL\bin> mysqladmin create TUTORIALSPOINT -u guest -p
Enter password: ********
C:\Program Files\MySQL\bin>

Create Table

To create the Employees table in TUTORIALSPOINT database, use the following steps −

Step 1

Open a Command Prompt and change to the installation directory as follows −

C:\>
C:\>cd Program Files\MySQL\bin
C:\Program Files\MySQL\bin>

Step 2

Login to the database as follows −

C:\Program Files\MySQL\bin>mysql -u guest -p
Enter password: ********
mysql>

Step 3

Create the table Employees as follows −

mysql> use TUTORIALSPOINT;
mysql> create table Employees
    -> (
    -> id int not null,
    -> age int not null,
    -> first varchar (255),
    -> last varchar (255)
    -> );
Query OK, 0 rows affected (0.08 sec)
mysql>

Create Data Records

Finally you create few records in Employee table as follows −

mysql> INSERT INTO Employees VALUES (100, 18, 'Zara', 'Ali');
Query OK, 1 row affected (0.05 sec)

mysql> INSERT INTO Employees VALUES (101, 25, 'Mahnaz', 'Fatma');
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO Employees VALUES (102, 30, 'Zaid', 'Khan');
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO Employees VALUES (103, 28, 'Sumit', 'Mittal');
Query OK, 1 row affected (0.00 sec)

mysql>

For a complete understanding on MySQL database, study the MySQL Tutorial.

Now you are ready to start experimenting with JDBC. Next chapter gives you a sample example on JDBC Programming.

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