Download Sql Developer 21.4.3 (DELUXE — 2025)

If you cannot make 21.4.3 work, consider:

| Tool | Why use it | | --- | --- | | SQL Developer 22.2+ | Newer, includes JDK. Easier install. | | DBeaver | Great for multi-database environments. | | DataGrip | Commercial, but excellent for large codebases. | | SQLcl | Command-line interface (also from Oracle). |

But for pure Oracle development with a proven, stable GUI, SQL Developer 21.4.3 remains an excellent choice.

Version 21.4.3 has specific system requirements. Ensure you meet these before downloading to avoid runtime errors. download sql developer 21.4.3

| Component | Requirement | | --- | --- | | Operating System | Windows 10/11 (64-bit), macOS 11+, Linux (x86_64) | | RAM | Minimum 2 GB (4 GB recommended) | | Disk Space | ~1.2 GB (plus workspace storage) | | Java JDK | Oracle JDK 11 or OpenJDK 11 (build 11.0.11+) | | Screen Resolution | 1024 x 768 minimum |

Critical Note: Unlike newer versions that bundle a JDK, SQL Developer 21.4.3 does NOT include Java. You must manually install JDK 11 before launching.

Follow this exact process to safely get the correct files. If you cannot make 21

Oracle Corporation restricts downloads of specific older versions to registered users. While the "latest" version is often available publicly, retrieving a specific point release like 21.4.3 generally requires an Oracle account.

3.1 Accessing the Archives

3.2 Selecting the Correct Installer Users are presented with two primary download options. Selecting the correct one depends on the host environment: Version 21

Yes, with caveats. Version 21.4.3 fully supports:

However, it does not natively support features introduced in Oracle Database 23c (e.g., JSON Relational Duality Views, new SQL operators). For 23c development, you need SQL Developer 22.2 or later.