how to tell if oracle database is installed on pc

Question

i work for a company as java developer, they gave me laptop that was previously used by another person, to test my java application i need to have oracle on laptop and create some sample database with sample data. when I got the laptop i found that there is oracle installed on it, but i don't know if this is only oracle client or full oracle installation (server + client) please can you tell me how to figure out if there is only oracle client on laptop or full database installation, plus i need to know if there is some default username and password so that i can access the database and create schema and tables in it, so that i can test my java application. i thinking to see DBA but i thought of dropping a question here first, maybe i can solve the problem by myself

Answer 1

If it is an Oracle Client, it doesn't have bin/dbca

Oracle Home may indicate the installation's type. The default Oracle Home folder names are:

• Oracle Database: dbhome_1
• Oracle Client: client_1

Although to make sure, you should check the services looking for OracleServiceSID entry on Windows.