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"""Example of a select query to an Oracle Database"""
import cx_Oracle

# Establish the database connection
dbh = cx_Oracle.connect(user='AIS_RPC',
                        password='********',
                        dsn="hydra2"
                        )

# Obtain a cursor and execute query
num_N_SUBJECT_ID = 100
with dbh.cursor() as cursor:
    cursor.execute("""
		SELECT VC_SUBJ_TYPE_NAME, VC_CODE
        FROM SI_V_SUBJECTS
        WHERE N_SUBJECT_ID = :num_N_SUBJECT_ID
    """, [num_N_SUBJECT_ID])

    # Fetch column names and data as an associative array
    columns = [i[0] for i in cursor.description]
    data = [dict(zip(columns, row)) for row in cursor.fetchall()]
    print(data)

# Print data
for row in data:
    print(f"VC_SUBJ_TYPE_NAME: {row['VC_SUBJ_TYPE_NAME']}")
    print(f"VC_CODE: {row['VC_CODE']}")