![[RIMMF]](/w/lib/tpl/dokubook/images/dokuwiki-128.png)
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| — | menu:parent [2023/06/07 20:39] (current) – created - external edit 127.0.0.1 | ||
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| + | ====== RIMMF ID columns ====== | ||
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| + | To create a self-referencing trees structure (like RIMMF) two id columns are needed: | ||
| + | - a Parent ID | ||
| + | - a Row ID | ||
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| + | Row IDs are simple sequential numbers. The Parent ID is what connects a row to another row in a Parent/ | ||
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| + | These two columns are not intended for user modification. | ||
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