Field names in Splunk are case sensitive.

In Splunk, field names are indeed case sensitive, which means that "fieldname" and "FieldName" would be recognized as two distinct fields. This case sensitivity is crucial when writing queries, particularly in the context of searches, data extraction, and transforms.

Understanding this sensitivity is important for maintaining consistency and accuracy in data management and retrieval. Misunderstanding or misapplying the case sensitivity could lead to missing crucial data points during searches or analytics, as Splunk would not recognize fields if their case does not match. Maintaining consistent casing helps ensure that queries return the intended results and that data is accurately represented, which is essential for effective decision-making based on that data.