python分批次读取

引用中的代码是用Python从数据库中分批次读取数据并写入txt文件的代码。在这段代码中，首先是连接到数据库，然后根据设定的每批次数据量，将数据从数据库中读取出来。接着，将读取的数据写入到txt文件中，并将文件名进行相应的更新。然后，关闭数据库连接。这样就实现了将大量数据分批次读取的功能。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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