Schlagwort: sql
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From Structured Query Languages (SQL) to Dataframe Languages (DL)
Structured Query Languages (SQL) exists since the 1970s and have been first standardized around 1986 by the American National Standards Institute (ANSI). Their purpose was to have a human-understandable language to query data in tables in database management systems. This means SQL is a domain-specific language. Much later they have been also adopted to query…
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Big Data Analytics on Excel files using Hadoop/Hive/Flink/Spark
Today we have released HadoopOffice v1.1.0 with major enhancements: Based on the latest Apache POI 3.17 Apache Hive: Query Excel files and write tables to Excel files using the Hive Serde Apache Flink support for Flink Table API and Flink DataSource/DataSink Signing and verification of signatures of Excel files Example to use the HadoopOffice library…