This topic unites posts which describe approaches, tools, and solutions to import and export data into InterSystems IRIS and other InterSystems Data platform products: CSV, JSON, SQL, flat files, binary files, globals, streams, etc.
It is very easy to import CSV data into IRIS. But what if we want to preserve the original IDs in CSV?
Recently I came across with the situation when I needed to import two csv's into IRIS which were linked by one column referencing to another csv's col: a typical Foreign Key and Primary Key situation, where csv1 contains this column as Primary Key, and csv2 as Foreign key with id's related to csv1.
The image is generated by ChatGPT so don't blame it - it tried its best to generate countries as primary keys with countries.csv-cities.csv relationship :)
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