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In [11]: df Out[11]: x y 0 a 1 1 b 2 In [12]: df.dtypes Out[12]: x object y object dtype: object In [13]: df.convert_objects(convert_numeric=True) Out 阅读全文
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simple way: --创建procedure create or replace procedure sql_test(out_return out sys_refcursor) is begin open out_return for 'select * from tgp_funds'; e 阅读全文
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一个Kettle异常的解决方式 最近kettle中的几个转换抛出如下异常: Because of an error, this step can't continue: org.pentaho.di.core.exception.KettleException: Error inserting ro 阅读全文
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https://zhidao.baidu.com/question/1445874299396024060.html 1 1 SHOW TABLES LIKE '%tb_bp_d_case%'; SHOW TABLES LIKE '%tb_bp_d_case%'; 2. 1 select TABLE 阅读全文