If you are trying to install this specific older version on a modern Windows 10 or 11 machine, you will likely run into a significant hurdle:
Although SQL Developer 19.2.1 is a lightweight tool, the following system specifications are recommended for optimal performance.
How to Get the SQL Developer 19.2.1 Hot Download for Windows sql developer 1921 hot download for windows
Go to Tools -> Preferences -> Database -> Advanced and set the TNS Directory path. Essential Post-Installation Settings
: If you downloaded the "No JDK" version, a prompt will ask for the path to your local java.exe . If you are trying to install this specific
SQL Developer 19.x was built for or Java 11 .
The command-line interface (SQLcl) included with this version added support for Liquibase to automate database schema changes. SQL Developer 19
Once your workspace opens, follow these steps to establish your first active database session:
Developers benefit from the robust PL/SQL debugging environment, version control integration with Git and SVN, and the ability to work with multiple database types through a single interface.
: Resolves connection pooling and query runner bugs found in version 19.1.