Using JSONB in PostgreSQL: How to Effectively Store & Index JSON Data in PostgreSQL
Scalegrid
JULY 17, 2020
If you store each of the keys as columns, it will result in frequent DML operations – this can be difficult when your data set is large - for example, event tracking, analytics, tags, etc. However, there are some specific cases where JSON works better: JSON preserves the original formatting (a.k.a JSON preserves duplicate keys.
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