Wiki source code of Combiner les données de plusieurs modèles de données
Last modified by Aurelie Bertrand on 2026/06/26 14:11
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| author | version | line-number | content |
|---|---|---|---|
| 1 | It is possible to combine data from several data models: several existing data models are aggregated into a new data model. | ||
| 2 | There are two types of data combination: | ||
| 3 | |||
| 4 | * [[**Union**>>doc:.extract_data_source_union.WebHome]] where data is combined vertically. The data is aggregated under each column. | ||
| 5 | [[image:Union_explanation_FR.png||alt="Union"]] | ||
| 6 | * [[Join >>doc:.extract_data_source_join.WebHome]]where data is combined horizontally. Columns from different models are aggregated, provided they have at least one column match, known as a join key. | ||
| 7 | [[image:Join_explanation_FR.png||alt="Jointure"]] | ||
| 8 | |||
| 9 | = Pour en savoir plus... = | ||
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| 11 | {{ddchildren}}{{/ddchildren}} |