Creating your First connection to Oracle 12c from SQL Developer
- Oracle SQL Developer enables developers and DBAs to browse, create, and update data in a database.
- You must have at least one database connection to use Oracle SQL Developer.
Steps to create Database connection in Oracle SQLDeveloper
Step 1: Right click on connection and select new connection
Step 2: Define Connection name
give username and password which you have given during installation
and define Connection type as TNS and select Role SYSDBA
Select SID as ORCL and Click on Test to Test the Connection
Step 3: If it is showing success message then click on connect
Step 4: Now Our connection successfully created
You can write and run query.
Step 5: Query to get all table name of database schema