Before you can use Oracle SQL Developer or MySQL Workbench, you need to connect to a database server. Both tools support various types of connections, such as JDBC, ODBC, SSH, or cloud services.

Oracle listener will check whether the information is a valid. If the connection information is valid, the Oracle listener will create a server process to deal with the Oracle instance and database.

The SQL Developer unit testing framework involves a set of sequential steps for each test case. The steps are as follows, including the user input for before the step is run and the framework ...