import oracledb
conn = oracledb.connect(user='sisvietnam', password='sisvietnam', dsn='localhost:1521/sisvietnam')
cursor = conn.cursor()
cursor.execute("SELECT content FROM sis_page WHERE slug = 'tong-quan-ve-sis'")
res = cursor.fetchone()
if res:
    print(res[0][:1000])
conn.close()