oracledb.init_oracle_client(lib_dir="/home/z/instantclient_11_2") dsn="(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=10.19.130.21)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=orcl.168.100.112)))"try: with oracledb.connect(user="system", password="Liyang20030518", dsn=dsn) as connection:print("...
oracledb.init_oracle_client(lib_dir=r"C:\Oracle\Instant Client\bin") C:\Oracle\Instant Client\bin 是oracle安装的主目录,我是从我本机的PL/SQL工具的首选项中查到的。这是连接oracle数据库的即时客户端工具,每台电脑安装的位置都有可能不一样。 我后来经过反复验证和阅读Python-oracledb手册发现create_en...
最近的工作中需要基于Oracle连接到SQLserver2014，我们可以通过配置Gateway的方式来实现这个功能。这个Gateway...
connection = cx_Oracle.connect("用户名/密码@主机名:端口号/数据库服务名") # 创建游标 cursor = connection.cursor() # 执行 SQL 查询 cursor.execute("SELECT * FROM 表名") # 获取查询结果 for row in cursor: print(row) # 关闭游标和连接 cursor.close() connection.close() 在上面的代码中,你需...
DPI-1047是Oracle数据库连接错误,通常是由于缺少Oracle客户端库文件或配置不正确导致的。解决此错误的方法如下: 1. 确保已正确安装Oracle客户端:在连接Oracle数据库之前,...
import cx_Oracle try: # Connecting to DB con = cx_Oracle.connect('pydb/pydb@xe') # Create a cursor cursor = con.cursor() sql = """create table emp (emp_id number(3), emp_name varchar(30), salary number(6))""" #Execute sql statement ...
('oracle+cx_oracle://scott:tiger@127.0.0.1:1521/ORCL',echo=False,encoding='utf-8') #方法2:cx_Oracle.connect() # db=cx_Oracle.connect('scott','tiger','127.0.0.1:1521/ORCL') # print(db.version) # 直接写入数据-->ordf-->ordf表会自动创建 # 新建pandas中的DataFrame, 只有id,num两列 ...
connection = cx_Oracle.connect(db_user, db_password, db_connect) cur = connection.cursor() cur.execute("SELECT 'Hello, World from Oracle DB!' FROM DUAL") col = cur.fetchone()[0] cur.close() connection.close() return col if __name__ == '__main__': ...
import getpass import oracledb pw = getpass.getpass("Enter password: ") connection = oracledb.connect( user="demopython", password=pw, dsn="localhost/xepdb1") print("Successfully connected to Oracle Database") cursor = connection.cursor() # Create a table cursor.execute(""" begin execute...
① Python链接Oracle服务器的3种方式 #① 用户名、密码和监听写在一起 import cx_Oracle db = cx_Oracle.connect('scott/a123456@DESKTOP-V4LKB10:1521/orcl') #② 用户名、密码和监听分开写 import cx_Oracle db = cx_Oracle.connect("scott","a123456","192.168.2.1:1521/orcl") ...