Page Comparison

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• • Oracle Database Versions.11g
    
    • 12c
  • JDBC Driver Versions. Download JDBC: Here11g - 10.2.0.2 (ojdbc14.jar)
    
    • 12c - 12.1.0.2 (ojdbc7.jar)

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The following steps will need to be followed:

• Step 1: After installation, Set Collation and DB Parameters
  
• Step 2: Setup your database charset
  
• Step 3: Connect in SQL Developer

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step1 step1

Step 1: After installation, Set Collation and DB Parameters:

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SELECT * FROM DBA_DATA_FILES;
ALTER DATABASE DATAFILE '<example>/u01/app/oracle/oradata/XE/system.dbf<example>' AUTOEXTEND ON MAXSIZE UNLIMITED;