What is SQL Developer? | Oracle
https://www.oracle.com/database/sqldeveloper/technologies/what-is-sql-developer/
WEBSQL Developer provides powerful editors for working with SQL, PL/SQL, Stored Java Procedures, and XML. Run queries, generate execution plans, export data to the desired format (XML, Excel, HTML, PDF, etc.), execute, debug, test, and document your database programs, and much more with SQL Developer.
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