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SQL Developer 21: How to Download and Install the Latest Version


SQL Developer Download 21: How to Install and Use Oracle's Free IDE for Database Development and Management




If you are looking for a free, integrated development environment (IDE) that simplifies the development and management of Oracle Database, you might want to check out SQL Developer. SQL Developer is a Java-powered application for Windows, OS X, Linux, and ARM64 platforms that offers a full-featured PL/SQL IDE, database administration, data modeling, migrations, and more. In this article, we will show you how to download, install, and run SQL Developer 21, the latest version of this popular tool.




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Download: https://www.google.com/url?q=https%3A%2F%2Ft.co%2F4J9DEetz2I&sa=D&sntz=1&usg=AOvVaw28HwrFjqX0MbDKIeOoWoyi



What is SQL Developer and why use it?




SQL Developer is a tool that helps you work with Oracle Database in various ways. You can use it to create, edit, debug, and run PL/SQL code, as well as browse, query, export, import, and manipulate data. You can also use it to perform database administration tasks such as creating users, roles, tablespaces, indexes, constraints, triggers, views, synonyms, sequences, etc. You can also use it to design and generate data models, compare and synchronize schemas and data, migrate data from other database systems to Oracle, and more.


SQL Developer features and benefits




Some of the main features and benefits of SQL Developer are:


  • It is free to download and use for both personal and commercial purposes.



  • It supports Oracle Database versions from 9i to 21c, as well as Oracle Cloud Database Services.



  • It has a user-friendly graphical user interface (GUI) that allows you to work with multiple database connections, files, worksheets, reports, etc. in a tabbed interface.



  • It has a powerful code editor that supports syntax highlighting, code completion, code formatting, code snippets, code templates, code folding, code refactoring, error checking, debugging, etc.



  • It has a built-in SQL*Plus command-line interface that allows you to execute SQL and PL/SQL commands directly.



  • It has a built-in database browser that allows you to view and manipulate database objects such as tables, views, indexes, triggers, etc. in a tree structure.



  • It has a built-in data viewer that allows you to view and edit data in tables and views in a grid or form layout.



  • It has a built-in data exporter and importer that allows you to export and import data in various formats such as CSV, XML, JSON, Excel, HTML, PDF, etc.



  • It has a built-in data modeler that allows you to create logical and physical data models using entity-relationship diagrams (ERDs), reverse engineer existing schemas into models, generate DDL scripts from models, compare and synchronize models with schemas or other models,



  • It has a built-in migration tool that allows you to migrate data from other database systems such as MySQL,

SQL Server, Sybase, Access, etc. to Oracle Database using a wizard-based interface.


  • It has a built-in reporting tool that allows you to create and run various reports on database objects, data, performance, etc. using predefined or custom templates.



  • It has a built-in tuning tool that allows you to monitor and optimize the performance of SQL statements, PL/SQL code, database instances, etc. using advisors, profilers, tracers, etc.



  • It has a built-in testing tool that allows you to create and run unit tests and code coverage for PL/SQL code using the SQL Developer Unit Testing framework.



  • It has a built-in version control tool that allows you to integrate with various version control systems such as Git, Subversion, CVS, etc. and manage your code changes.



  • It has a built-in extension manager that allows you to install and update various extensions that enhance the functionality of SQL Developer.



SQL Developer system requirements and compatibility




To run SQL Developer 21, you need the following system requirements:


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  • A computer with a minimum of 1 GB of RAM and 300 MB of disk space.



  • A Java Development Kit (JDK) version 8 or higher. You can download the JDK from .



  • An Oracle Database version 9i or higher. You can download the Oracle Database from . You can also use SQL Developer with Oracle Cloud Database Services such as Autonomous Database, Database Cloud Service, Exadata Cloud Service, etc.



SQL Developer 21 is compatible with the following platforms:


  • Windows 7 or higher (32-bit or 64-bit)



  • Mac OS X 10.13 or higher (64-bit)



  • Linux x86-64 (64-bit)



  • Linux ARM64 (64-bit)



How to download SQL Developer 21




To download SQL Developer 21, you need to follow these steps:


Choose the right version for your platform




SQL Developer 21 is available in four versions for different platforms:


  • Windows 32-bit/64-bit with JDK 8 included



  • Windows 32-bit/64-bit without JDK



  • Mac OS X 64-bit with JDK 8 included



  • Linux RPM 64-bit without JDK



  • Linux ARM64 64-bit without JDK



You need to choose the version that matches your platform and whether you have JDK installed or not. If you are not sure about your platform or JDK status, you can use the Windows version with JDK included, which will work on most Windows systems.


Download from Oracle's website




To download SQL Developer 21 from Oracle's website, you need to do the following:


  • Go to .



  • Select the Accept License Agreement option.



  • Select the download link for the version you want to download. You may need to sign in with your Oracle account or create one if you don't have one.



  • Save the downloaded file to your computer. The file name will be something like sqldeveloper-21.2.1.204.1704-x64.zip or sqldeveloper-21.2.1.204.1704-no-jre.zip depending on the version you chose.



Verify the checksum of the downloaded file




To ensure that the downloaded file is not corrupted or tampered with, you should verify its checksum using a tool such as MD5 or SHA-256. You can find the checksum values for each version on . To verify the checksum, you need to do the following:



  • Open a command prompt or terminal window on your computer.



  • Navigate to the folder where you saved the downloaded file.



  • Type the command md5sum or sha256sum followed by the file name and press Enter. For example: md5sum sqldeveloper-21.2.1.204.1704-x64.zip or sha256sum sqldeveloper-21.2.1.204.1704-no-jre.zip



  • Compare the output of the command with the checksum value on the download page. They should match exactly.




If the checksum values do not match, it means that the downloaded file is corrupted or tampered with, and you should download it again from a trusted source.


How to install SQL Developer 21




To install SQL Developer 21, you need to follow different steps depending on your platform. Here are the installation notes for each platform:


Windows installation notes




To install SQL Developer 21 on Windows, you need to do the following:



  • Unzip the downloaded file to a folder of your choice. For example: C:\sqldeveloper



  • Open the folder and double-click the sqldeveloper.exe file to launch the application.



  • If you downloaded the version without JDK, you may be prompted to enter a JDK path. You can browse to the location of your JDK installation or download and install JDK 8 or higher from .




Mac OS X and ARM64 installation notes




To install SQL Developer 21 on Mac OS X or ARM64, you need to do the following:



  • Unzip the downloaded file to a folder of your choice. For example: /Applications/sqldeveloper



  • Open the folder and double-click the SQLDeveloper.app file to launch the application.



If you dow


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