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08 Database Data Manipulation

Exercise for manipulating data on a database.

Select a table on the database and aggregate and filter the data directly on the database.












Exercise: Database Data Manipulation1) Execute the metanode below. It writes the joined table containing demographics,travel advisory, and geocoordinates information into a SQLite database. 2) Select the JoinedTable table on the database3) Calculate the number of rows (countries) in the database table4) Filter the table to countries where the maximum overall life expectancy is > 805) Calculate the numbers of countries with life expectancy >80 in each travel riskcategory. What is the most common category among these countries? How manycountries belong to the risk category 3 (Reconsider travel)? Node 39Row CountNode 41Life Expectancy>80 Write joineddata to database DB Table Selector DB GroupBy DB GroupBy DB Row Filter Exercise: Database Data Manipulation1) Execute the metanode below. It writes the joined table containing demographics,travel advisory, and geocoordinates information into a SQLite database. 2) Select the JoinedTable table on the database3) Calculate the number of rows (countries) in the database table4) Filter the table to countries where the maximum overall life expectancy is > 805) Calculate the numbers of countries with life expectancy >80 in each travel riskcategory. What is the most common category among these countries? How manycountries belong to the risk category 3 (Reconsider travel)? Node 39Row CountNode 41Life Expectancy>80Write joineddata to database DB Table Selector DB GroupBy DB GroupBy DB Row Filter

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Created by: Maarit Laukkanen
Created at: 2020-04-20
On NodePit since: 2024-11-10
Last update: 2024-11-21
Created with KNIME version: v4.5.2
Tags: sqlitedatabase

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