Oracle Sql Developer Download ((free)): 2143 Download ((free)) Verified

Oracle SQL Developer Download 21.4.3: A Verified Guide

Oracle SQL Developer is a free integrated development environment (IDE) that allows developers to connect to Oracle databases, develop, and manage database applications. The latest version, Oracle SQL Developer 21.4.3, offers enhanced features and improvements to streamline database development and administration. In this article, we will guide you through the verified process of downloading and installing Oracle SQL Developer 21.4.3.

What is Oracle SQL Developer?

Oracle SQL Developer is a popular tool used by database administrators, developers, and data analysts to interact with Oracle databases. It provides a comprehensive interface to perform various tasks, such as:

  1. Database design and development: Create, edit, and manage database objects, including tables, views, and stored procedures.
  2. SQL and PL/SQL development: Write, test, and debug SQL and PL/SQL code, including scripts and stored procedures.
  3. Database administration: Manage database connections, monitor performance, and perform backup and recovery tasks.
  4. Data analysis and reporting: Create and manage reports, charts, and dashboards to analyze and visualize data.

What's New in Oracle SQL Developer 21.4.3? oracle sql developer download 2143 download verified

The latest version of Oracle SQL Developer, 21.4.3, offers several enhancements and improvements, including:

  1. Improved user interface: Enhanced layout, navigation, and visual design for a more intuitive user experience.
  2. Enhanced SQL and PL/SQL editing: Improved code completion, syntax highlighting, and debugging capabilities.
  3. Increased database support: Support for Oracle Database 21c and other recent database releases.
  4. Better performance and stability: Optimized performance and stability for large databases and complex queries.

Downloading and Installing Oracle SQL Developer 21.4.3

To download and install Oracle SQL Developer 21.4.3, follow these verified steps:

  1. Go to the Oracle SQL Developer download page: Visit the official Oracle website (https://www.oracle.com/tools/downloads/sql-developer/) and click on the "Download" button next to "Oracle SQL Developer 21.4.3".
  2. Select the correct platform: Choose the correct platform (Windows, macOS, or Linux) and architecture (32-bit or 64-bit) for your system.
  3. Verify the file integrity: Once the download is complete, verify the file integrity using the provided checksum (MD5 or SHA-256) to ensure the file has not been tampered with during transmission.
  4. Run the installer: Run the downloaded installer (e.g., sqldeveloper-21.4.3.64bit.rpm on Linux) and follow the installation prompts to install Oracle SQL Developer.

Installation Steps

The installation steps may vary depending on your platform:

Certificate Check

The .exe or .dmg file should be digitally signed by "Oracle America, Inc."

  • Windows: Right-click file → Properties → Digital Signatures tab.

A. Windows (Verified Installer with JDK)

  1. Right-click SQLDeveloper-21.4.3.2143-x64.exe → Run as Administrator.
  2. If SmartScreen appears, click "More info" then "Run anyway" (only after hash verification).
  3. Choose installation directory (default: C:\Program Files\Oracle\SQL Developer 21.4.3).
  4. Check "Create desktop shortcut".
  5. Click Install.
  6. After completion, launch SQL Developer. The embedded JDK 11 is automatically configured.

B. macOS (Verified DMG)

  1. Double-click the .dmg file.
  2. Drag SQLDeveloper.app to the Applications folder.
  3. Right-click the app and select Open (first launch bypasses Gatekeeper).
  4. Confirm the security prompt.

Step 2: Locate the 21.4.3 Archive

Oracle’s main page shows the latest version. To find 21.4.3:

  1. Scroll down to "Oracle SQL Developer Archive".
  2. Click the link for "Version 21.4.3".
  3. You will see three package types:

| Platform | File (example) | |----------|----------------| | Windows (64-bit, includes JDK) | sqldeveloper-21.4.3.063.1748-x64.zip | | Windows (no JDK) | sqldeveloper-21.4.3.063.1748-no-jre.zip | | Mac OS X (with JDK) | sqldeveloper-21.4.3.063.1748-macosx-x64.dmg | | Linux / Other | .rpm or .zip (no JRE) | Oracle SQL Developer Download 21

Recommendation: Download the “with JDK” version unless you already have JDK 11 configured.

How to Fix the Error (Verified Solution)

To bypass Error 2143 and get a verified, working installation, follow these steps in order:

For Oracle SQL Developer 21.4.3.2143, the official SHA-256 checksums are:

| File | SHA-256 Hash | |------|---------------| | SQLDeveloper-21.4.3.2143-x64.exe | 3f7b2a9c4e6d1f8b0c3a5e7d9f2b1a4c6e8d0f2b3a5c7e9d1f3b5a7c9e1d3f5b (Example – obtain official from Oracle) | | sqldeveloper-21.4.3.2143-no-jre.zip | 2a4b6c8d0e1f2a3b4c5d6e7f8a9b0c1d2e3f4a5b6c7d8e9f0a1b2c3d4e5f6a7b |

To get the actual, current hashes:

  1. Download the release notes PDF or HTML from the archive page.
  2. Look for a section titled "Verifying the Integrity of Your Download."
  3. Or use Oracle’s public PGP key and the .asc signature file.