There are several columnar data formats that are popular, including: Both Apache Parquet and Apache ORC (Optimized Row Columnar) are open-source columnar data storage formats that are designed for efficient storage and processing of large amounts of data. They both support compression and data splittability, which can help reduce the amount of disk space required […]
Continue ReadingColumnar databases are a type of database that store data in columns rather than rows. This type of database is designed to be efficient for querying large amounts of data and is often used for data warehousing and analytics applications. There are several columnar databases that support SQL (Structured Query Language), which is a standard […]
Continue ReadingThere are several ways to efficiently query large datasets, especially those that are in the petabyte range. Here are some strategies that you can use: It’s worth noting that the best approach for querying large datasets will depend on your specific use case and requirements. You may need to use a combination of the strategies […]
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