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06_​Sampling_​in_​Databases

Database Sampling

This workflow creates an SQL statement that allows you to extract a sample of data from a database. The node also supports stratified sampling, which is the preferred way to sample from populations with varying subpopulation sizes.

This workflow creates an SQL statement that allows you to extract a sample of data from a database. Perform stratified samplingon the data of the input query to extract half of each subpopulationsRead result intoKNIME Analytics PlatformCreate ExampleTable DB Row Sampling DB Reader This workflow creates an SQL statement that allows you to extract a sample of data from a database. Perform stratified samplingon the data of the input query to extract half of each subpopulationsRead result intoKNIME Analytics PlatformCreate ExampleTable DB Row Sampling DB Reader

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