使用python插入Oracle表列

Question

很抱歉，如果這是重復的； 我嘗試搜索Google和以前的Stack Overflow問題，但找不到答案。

連接代碼：

import cx_Oracle as o
con = o.connect('**', '**', '**')
con.version
cur = con.cursor()

加載DF的代碼：

import pandas as pd
df = pd.read_excel("filename.xlsx")

df有兩列， COLUMN1是7位數字， COLUMN2是字符串

我有一個名為' MARSHALLTEST '的Oracle表，具有COLUMN1 number(7)和COLUMN2 varchar(200)並且我想在該表中INSERT INTO適當的列。

這給我一個錯誤消息：

rows = [tuple(x) for x in df.values]
cur.executemany('''INSERT INTO MARSHALLTEST (COLUMN1, COLUMN2) VALUES (:0,:1)''',rows)
con.commit()

錯誤信息：

---------------------------------------------------------------------------
UnicodeEncodeError                        Traceback (most recent call last)
<ipython-input-6-c4f7ad8118fd> in <module>()
      1 #statement = 'insert into MARSHALLTEST (OPPORTUNITY_INVOICE) values (df1)'
      2 rows = [tuple(x) for x in df.values]
----> 3 cur.executemany('''INSERT INTO MARSHALLTEST ('OPPORTUNITY_INVOICE', 'SF_OPP_ID') VALUES (:0,:1)''',rows)
      4 con.commit()

UnicodeEncodeError: 'ascii' codec can't encode character '\u201a' in position 22: ordinal not in range(128)

我也嘗試過這個：

for s in df:
    statement = 'insert into MARSHALLTEST (OPPORTUNITY_INVOICE, SF_OPP_ID) values (s)' 
    cur.execute(statement)
    con.commit()

錯誤信息：

DatabaseError                             Traceback (most recent call last)
<ipython-input-15-2c2e69dfd9bf> in <module>()
      1 for s in df:
      2         statement = 'insert into MARSHALLTEST (OPPORTUNITY_INVOICE, SF_OPP_ID) values (s)'
----> 3         cur.execute(statement)
      4         con.commit()

DatabaseError: ORA-00947: not enough values

Answer 1

您可以使用以下代碼將數據框直接保存到表中：import cx_Oracle

從sqlalchemy導入類型，create_engine

newconn = create_engine（'oracle + cx_oracle：// username：pswd @ host：port /？service_name = xxx'）

df.to_sql（'testtablex'，newconn，if_exists ='replace'，index = False）