Install: Oracle Client 12c

Select your platform architecture (e.g., Microsoft Windows x64 or Linux x86-64). Download the .zip archive file. Step-by-Step Installation on Windows

If the command prompt displays the Oracle SQL*Plus version information, your process was successful. Summary Checklist Downloaded correct 32/64-bit version. Extracted files. Ran setup as Administrator. Configured tnsnames.ora . Verified with sqlplus .

Monitor the logs in /u01/app/oraInventory/logs . Upon completion, run root.sh . install oracle client 12c

Allows you to manually select individual components. Select Administrator and click Next . Step 3: Select Product Language

echo "Creating directories..." mkdir -p $ORACLE_BASE mkdir -p $ORACLE_HOME chown -R oracle:oinstall /u01 Select your platform architecture (e

# 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")

To verify that your network routing to the Oracle database is functioning properly, open your command prompt or terminal and type: tnsping MY_DB_ALIAS Use code with caution. Summary Checklist Downloaded correct 32/64-bit version

# Check if connection is still valid if self._validate_connection(conn): self._pool.put(conn) else: logger.warning("Invalid connection returned, closing") self._close_connection(conn) # Create replacement connection new_conn = self._create_connection() if new_conn: self._pool.put(new_conn)

logger.info("Connection pool closed")

If your application (e.g., Excel, IIS, or a custom .NET/Java application) is 32-bit, you must install the 32-bit Oracle Client, even on a 64-bit Windows operating system.