Minimum 4 GB RAM (8 GB or higher recommended for handling large query result sets). Disk Space: Approximately 500 MB of uncompressed space.
Windows 10/11, macOS (Big Sur or newer), or modern Linux distributions (RHEL/Ubuntu).
Scroll down until you locate the section labeled . Step 2: Select the Right Architecture for Your OS
Compatible with Intel-based Macs (requires manual JDK installation). Linux: Supported via standard distribution files.
If you ever need to change this path later, you can manually edit the configuration file located at: %APPDATA%\sqldeveloper\21.4.3\product.conf (Windows)or ~/.sqldeveloper/21.4.3/product.conf (Mac/Linux). Setting Up Your First Database Connection download sql developer 21.4.3
Navigate to the extracted folder and double-click sqldeveloper.exe .
Includes built-in utilities to migrate third-party databases (like Microsoft SQL Server, MySQL, and Sybase) to Oracle.
Improved tools for working with JSON data types. Version Control: Integrated support for Git and Subversion.
Drag the SQLDeveloper.app to your Applications folder. Getting Started: Connecting to a Database Once installed, setting up your first connection is simple: Open SQL Developer . In the Connections pane, click the green + sign. Fill in your credentials: Connection Name: A name for your connection. Username/Password: Your database credentials. Hostname: The address of the database server. Port: Default is usually SID/Service Name: The specific database identifier. Click Test and then Save . Conclusion Minimum 4 GB RAM (8 GB or higher
| Package Type | File Size | Best For | |--------------|-----------|----------| | | ~436 MB | Windows 64-bit users who don't have Java installed | | Windows 32-bit/64-bit (no JRE) | ~448 MB | Windows users who already have Java configured | | Mac OS X | ~359 MB | macOS users (properly signed for Big Sur compatibility) | | Linux RPM | ~347 MB | Linux users who prefer RPM package management | | Other Platforms (ZIP) | ~448 MB | Universal ZIP archive for any platform |
Oracle hosts its official downloads through the Oracle Technology Network (OTN). Follow these steps to locate and download the correct version safely. Step 1: Navigate to the Oracle Downloads Archive
💡 These checksums ensure your download hasn't been corrupted or tampered with during transmission.
Ensure your system meets these basic requirements before proceeding with installation: Requirement Specification Windows 10/11, macOS (10.15+), Linux (RHEL, Ubuntu) Memory (RAM) Minimum 4 GB (8 GB or higher recommended) Disk Space ~500 MB for installation files + space for logs/caches Java Dependency JDK 8 or JDK 11 (if utilizing the "No JDK" bundle) Installation Guide for Version 21.4.3 Scroll down until you locate the section labeled
Double-click the downloaded .zip file to extract the application contents.
Complete Guide: Download SQL Developer 21.4.3 Oracle , released in April 2022, remains a highly stable and popular choice for developers working with Oracle Database 21c and earlier . This maintenance release focused on performance improvements and critical security updates. 1. Direct Download Options
Extract the downloaded .zip file to a permanent directory (e.g., C:\DatabaseTools\sqldeveloper ). Avoid placing it in Program Files to prevent Windows permission issues.
It runs smoothly on standard workstation hardware without heavy memory consumption.