我试图创建一个正则表达式,它只提取包含特定短语的问题,即“NSF”:s = "This is a string. Is this a question?This isn't a question about NSF. Is this one about NSF?This one is a question about NSF but is it longer?"['Is this one about NSF</
我使用简单的group by计算数据,例如 select formation,nsf_3,count(*) as numbergroup by formation,nsf_3 此查询将返回 formation nsf_3 number CAP SERVICES 5 我想使用该信息将数据放入具有此结构的另一个表中measure list_values_dimensions list_dimensions
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