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Can a field be joined based on a number?
If no fields are selected for the optional Transfer Fields parameter, all fields from the Join Table to the output will be joined. Joins can be based on fields of type text, date, or number. Joins based on text fields are case sensitive. Fields of different number formats can be joined as long as the values are equal.
Is the input join field the same as the output join field?
The Input Join Field and the Output Join Field can have different names. If a join field has the same name as a field from the input table, the joined field will be appended by _1 (or _2, or _3, and so on) to make it unique.
Can a join field be the same as a join table?
The Input Join Field and the Join Table Field can have different names. If a join field has the same name as a field from the input table, the joined field will be appended with _1 (or _2, or _3, and so on) to make it unique. If values in the Join Table Field are not unique, only the first occurrence of each value will be used.
How to make a join field unique in ArcGIS Pro?
The Input Join Field and the Join Table Field can have different names. If a join field has the same name as a field from the input table, the joined field will be appended with _1 (or _2, or _3, and so on) to make it unique.
How to make a join field unique in ArcMap?
The Input Join Field and the Output Join Field can have different names. If a join field has the same name as a field from the input table, the joined field will be appended by _1 (or _2, or _3, and so on) to make it unique. If values in the Output Join Field are not unique, only the first occurrence of each value will be used.
What to do if a join field is not unique?
If values in the Join Table Field are not unique, only the first occurrence of each value will be used. To account for join table values other than the first occurrence, start by executing the Summary Statistics tool using the Join Table as input. Summary Statistics allows you to summarize fields (for example, sum, mean, minimum).