# Example 2: Using context manager with pool.get_cursor() as cursor: cursor.execute(""" SELECT table_name, num_rows FROM user_tables WHERE ROWNUM <= 5 """) for table_name, num_rows in cursor: print(f"Table: {table_name}, Rows: {num_rows}")
: Ensure you have the correct installation files:
. It is recommended to extract these to a dedicated folder like C:\OracleInstall Oracle Help Center 2. Installation Steps
# Add to /home/oracle/.bash_profile cat >> /home/oracle/.bash_profile << EOF export ORACLE_HOME=/u01/app/oracle/product/12.2.0/client export LD_LIBRARY_PATH=\$ORACLE_HOME/lib:\$LD_LIBRARY_PATH export PATH=\$ORACLE_HOME/bin:\$PATH export TNS_ADMIN=\$ORACLE_HOME/network/admin EOF install oracle client 12c
: Most administrative users recommend the "Administrator" type for full functionality or "Instant Client" for a lightweight, application-only footprint.
Follow the on-screen prompts:
echo "Oracle Client ${ORACLE_VERSION} installation completed!" echo "Please configure tnsnames.ora in ${TNS_ADMIN}" # Example 2: Using context manager with pool
Allows you to manually pick and choose individual components. Select Administrator and click Next . Step 3: Specify Oracle Home User
@patch('cx_Oracle.connect') def test_pool_initialization(self, mock_connect): """Test pool creates minimum connections""" mock_connect.return_value = Mock() pool = OracleConnectionPool(self.config)
class OracleConnectionPool: """ Thread-safe Oracle connection pool with advanced features: - Connection validation - Automatic recovery - Performance monitoring - Connection aging """ Execute the root scripts when prompted by opening
Navigate to the configuration directory: %ORACLE_HOME%\network\admin\ (e.g., C:\app\client\YourUsername\product\12.1.0\client_1\network\admin\ ).
Execute the root scripts when prompted by opening a separate terminal as root :
source ~/.bash_profile EOF
To download the Oracle Client 12c installer, follow these steps:
The installer will initialize and present four installation options: