1. A system comprising:a database that stores a first database table and a second database table, the first database table comprising a first set of records and a first plurality of fields for the first set of records, the second database table comprising a second set of records and a second plurality of fields for the second set of records; and
a memory coupled to a processor, the memory comprising a plurality of instructions that cause the processor to:
obtain a user-specified threshold confidence level;
compare the first set of records and the second set of records to:
identify, according to the user-specified threshold confidence level, a set of related record pairs, wherein each related record pair includes a record in the first set of records and a record in the second set of records, wherein each related record pair is determined by comparing field values to generate a feature signature for the related record pair and classifying the feature signature to generate a confidence score, and
identify a set of unique records among the first set of records and the second set of records; and
generate a dynamically merged database table comprising a selected portion of the set of related record pairs and comprising the set of unique records.