You can have a data table

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What are high cardinality data tables? High cardinality data tables are those tables with many unspecified numbers of rows. In other words, Google does not have an official definition of what is considered a high cardinality data table. Why is cardinality an issue in GA4 reporting? GA4 does not have a cardinality limit on an individual dimension. You can have dimensions with any number of unique values.


GA4 does not have a cardinality limit on data tables. with any latvia number data number of rows. However, GA4 does have an unspecified cardinality limit on the underlying data tables accessed through the GA4 UI or the GA Data API. This cardinality/row limit has been put in place to reduce the cost of data processing. When you use a high cardinality dimension or multiple dimensions, the number of rows that are processed for a data table increases.


And when the underlying data table reaches the unspecified row limit, any data beyond the row limit is reported under the “(Other)” row/category: Standard and drill-down reports may have different unspecified row limits for the same data table. This means that when you reproduce the data table used in a standard report through the drill report template, you might end up seeing very different primary rows in the data tables.