擅长:python、mysql、java
<pre><code>cursor2 = conn.cursor()
cursor3 = conn.cursor()
cursor4 = conn.cursor()
</code></pre>
<p>我认为你必须关闭你打开的连接,可能是因为这个错误导致你打开了多个连接。</p>
<pre><code>cursor2 = conn.cursor()
"""EDIT YOUR DATABASE USING CODE AND CLOSE THE CONNECTION"""
connection.close()
cursor3 = conn.cursor()
"""EDIT YOUR DATABASE USING CODE AND CLOSE THE CONNECTION"""
connection.close()
cursor4 = conn.cursor()
"""EDIT YOUR DATABASE USING CODE AND CLOSE THE CONNECTION"""
connection.close()
</code></pre>