.PARQUET ファイル拡張子
Parquet Dataset
| 開発元 | Apache |
| 人気度 |
3.3 | 3 票 |
PARQUETファイルとは？
A PARQUET file is a data file saved in the Apache Parquet format. It stores tabular data in a column-oriented layout, grouping rows and storing values for each column together. This structure can make it more efficient for data-processing applications to retrieve only the columns they need.
詳細情報
Apache Parquet was originally developed as part of the Hadoop ecosystem and is now used by many data-processing and analytics applications. Apache Hadoop is an open-source software framework designed to store and process large datasets across multiple computers. People commonly use Parquet for data-intensive applications that need to process and analyze large amounts of information.
PARQUET files begin with the PAR1 magic number, a sequence of characters that applications use to identify the file as a Parquet file. They contain one or more row groups that organize the file's data and include metadata in a footer that describes the data, including information about its columns and row groups. The PAR1 magic number also appears at the end of a PARQUET file.
PARQUETファイルの開き方
You can use Parquet-tools (multiplatform), which is available as both a standalone tool and part of Apache Hadoop, to read and manipulate PARQUET files. DBConvert Parquet Viewer can also open PARQUET files, allowing you to read them locally in your web browser.