Mysql connector java mac os

Setup mysql and SQL Developer on macos

Recently I wanted to refresh my SQL skills and needed a basic database setup on my Macbook Air. I remember from my school days that we could install oracle 6/7 free versions for personal use. Apparently oracle no longer offers free versions. Instead it(Oracle) now gives us mysql which is essentially the free one thereby eventually leading me to refresh not just «my sql» but «mysql» skills as well.

MySQL

Download mysql server community edition from MySQL website

To run the SQL developer, you will need java on your machine. You can download JDK from Oracle

SQL Develoepr

Get it from Oracle. You will need a free oracle account to register and download java and sql developer.

Connector setup

Now that we have all the required software, we need to connect our SQL Developer instance to mysql instance. By default SQL dev supports connecting Oracle DB. YOu just need to provide connection details. But for mysql you need to add support.

Download the mysql connector from Oracle-Base

Perform the steps as mentioned in the article. For easy access, I copied the steps here as well.

• Download the latest «JDBC Driver for MySQL (Connector/J)» from here. Click the «Download» link next to the «JDBC Driver for MySQL (Connector/J)», then select the platform independent version and download the zip file.
• Unzip the connector. The resulting directory contains a «mysql-connector-java-8.0.23.jar» file.
• Open SQL Developer and navigate to «Tools > Preferences > Database > Third Party JDBC Driver».
• Click the «Add Entry. » button and highlight the «mysql-connector-java-8.0.23.jar» file and click the «Select» button. You may need to place the driver file in .sqldeveloper directory since it might not have access to other directories. You can always change the access from preferences though.
• Click the «OK» button to exit the «Preferences» dialog.
• When you create a new connection, the «Database Type» dropdown includes a MySQL option. On older versions of SQL Developer this used to appear as a tab. Enter the connection details and test the connection.

Connect SQL Developer

Now we are ready to connect. Create a new connection and provide below details.

• username — root
• password(as given while setting up mysql)
• connection URL and port(by default localhost:3306)

Just some helpful text from the article

If the user chooses to not start MySQL during startup, then either launchctl from the command line should be used or start MySQL by clicking «Start» with the help of the MySQL preference pane.

Once you are connected, you can now create new sql worksheets and start working with mysql. Do note that not all features are supported. You will find the commit button disabled in SQL Developer.

And a few commands also differ like creating and selecting the databases.

MySQL command line

By default mysql binaries are not added to PATH. So you won’t be able to run mysql in the terminal from anywhere. You could navigate to the mysql folder and run mysql command line from there or you can add it to your PATH.

Execute mysql, enter root password you entered while installing mysql setup

Related info available on stackoverflow question here.

Data setup for practice

If you are new to SQL and would like to setup some fake data for practice, read this section.

Create database

In mysql you need to create individual database before creating any tables.

Create a database called order_system.

CREATE DATABASE ORDER_SYSTEM; 

Select the database to perform operations on it.

create table orders (orderId INT NOT NULL, customerId int, orderDate date); create table customers (customerId INT NOT NULL, customerName VARCHAR(100), contactName VARCHAR(100), country VARCHAR(50)); 

insert into orders values(1, 4567, CURDATE()); insert into orders values(2, 8887, CURDATE()); insert into orders values(3, 8761, CURDATE()); insert into customers values(4567, 'Gabbar', 'gabbar@gmail.com', 'IN'); insert into customers values(1234, 'Bhola', 'bhola@gmail.com', 'US'); 

select * from orders where orderid = 2; 

Use joins to combine data from multiple tables

select orderid, orders.customerId, orderdate, customername from orders join customers on orders.customerid = customers.customerid; 

Just a point to note that mysql does not supports full outer join. More info here.

Possibly because its not required as much as other features as pointed out by people.

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README.md

MySQL provides connectivity for client applications developed in the Java programming language with MySQL Connector/J, a driver that implements the Java Database Connectivity (JDBC) API and also MySQL X DevAPI.

MySQL Connector/J 8.1 is a JDBC Type 4 driver that is compatible with the JDBC 4.2 specification. 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.

The driver also contains an implementation of MySQL X DevAPI, an application programming interface for working with MySQL as a Document Store through CRUD-based, NoSQL operations.

For more information, please visit the official MySQL Connector/J documentation.

Please refer to the README and LICENSE files, available in this repository, and the Legal Notices in the MySQL Connector/J documentation for further details.

Getting the Latest Release

MySQL Connector/J is free for usage under the terms of the specified licensing and it runs on any operating system that is able to run a Java Virtual Machine.

MySQL Connector/J can be installed from pre-compiled packages that can be downloaded from the MySQL Connector/J download page. Installing MySQL Connector/J only requires obtaining the corresponding JAR file from the downloaded bundle or installer and including it in the application’s CLASSPATH.

According to how you use MySQL Connector/J, you may also need to install the following third-party libraries on your system for it to work:

• Protocol Buffers (protobuf-java) is required for using X DevAPI
• Oracle Cloud Infrastructure SDK for Java (oci-java-sdk) is required to support OCI AIM authentication
• Simple Logging Facade API (slf4j-api) is required for using the logging capabilities provided by the default implementation of org.slf4j.Logger.Slf4JLogger by MySQL Connector/J

Alternatively, MySQL Connector/J can be obtained automatically via Maven’s dependency management by adding the following configuration in the application’s Project Object Model (POM) file:

dependency> groupId>com.mysqlgroupId> artifactId>mysql-connector-jartifactId> version>8.1.0version> dependency>

MySQL Connector/J’s own Project Object Model (POM) file specifies a transitive dependency to Protocol Buffers (protobuf-java) since it is required for using X DevAPI. However, if you do not use the X DevAPI features, you may also want to add a dependency exclusion to avoid linking the unneeded sub-library. For example:

dependency> groupId>com.mysqlgroupId> artifactId>mysql-connector-jartifactId> version>8.1.0version> exclusions> exclusion> groupId>com.google.protobufgroupId> artifactId>protobuf-javaartifactId> exclusion> exclusions> dependency>

This driver can also be complied and installed from the source available in this repository. Please refer to the MySQL Connector/J documentation for detailed instructions on how to do it.

This repository contains the MySQL Connector/J source code as per the latest release. No changes are made in this repository between releases.

There are a few ways to contribute to the MySQL Connector/J code. Please refer to the contributing guidelines for additional information.

• MySQL Connector/J Developer Guide.
• MySQL Connector/J X DevAPI Reference.
• MySQL Connector/J, JDBC and Java forum.
• #connectors channel in MySQL Community Slack. (Sign-up required if you do not have an Oracle account.)
• @MySQL on Twitter.
• MySQL Blog.
• MySQL Connectors Blog archive.
• MySQL Newsletter.
• MySQL Bugs Database.

For more information about this and other MySQL products, please visit MySQL Contact & Questions.

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