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How to import CSV file data into a PostgreSQL table?
How can I write a stored procedure that imports data from a CSV file and populates the table?
18 Answers
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Prevent row names to be written to file when using write.csv
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write.csv(t, "t.csv", row.names=FALSE)
From ?write.csv:
row.names: either a logical value indicating whether the row names of
‘x’ are to be written along with ‘x’, or a character vector
of row names t...
Convert XLS to CSV on command line
How could I convert an XLS file to a CSV file on the windows command line.
15 Answers
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转型产品经理必看 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...用需要经历哪些环节，需要与哪些人进行合作。比如需要数据准备的产品，在产品设计阶段就需要与数据提供方达成一致，保证产品上线时数据准备是ok的，比如需要运营介入的产品设计，需要在前期沟通阶段就邀请运营人员加...
Is it possible to force Excel recognize UTF-8 CSV files automatically?
...g a part of an application that's responsible for exporting some data into CSV files. The application always uses UTF-8 because of its multilingual nature at all levels. But opening such CSV files (containing e.g. diacritics, cyrillic letters, Greek letters) in Excel does not achieve the expected re...
Dump a mysql database to a plaintext (CSV) backup from the command line
...p since that outputs in a form that is only convenient for mysql to read. CSV seems more universal (one file per table is fine). But if there are advantages to mysqldump, I'm all ears. Also, I'd like something I can run from the command line (linux). If that's a mysql script, pointers to how to ...
Excel to CSV with UTF8 encoding [closed]
...hat has some Spanish characters (tildes, etc.) that I need to convert to a CSV file to use as an import file. However, when I do Save As CSV it mangles the "special" Spanish characters that aren't ASCII characters. It also seems to do this with the left and right quotes and long dashes that appear...
How do I write data into CSV format as string (not file)?
I want to cast data like [1,2,'a','He said "what do you mean?"'] to a CSV-formatted string.
6 Answers
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80后夫妻创业，如今身价68亿，怎么做到？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...信息，对诊断治疗的帮助可想而知。“其实，玩的就是大数据，如何将大数据应用到智慧城市就是我们接下来的一大重要内容。”王麒诚说。
当然，王麒诚想做的远不止这些，他希望把汉鼎做成更大的一个集团帝国。
80后 创...
How to copy from CSV file to PostgreSQL table with headers in CSV file?
I want to copy a CSV file to a Postgres table. There are about 100 columns in this table, so I do not want to rewrite them if I don't have to.
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