Other Data-Cleaning Products
On the high end are a number of programs aimed at data warehouses and similar markets. They’re able to perform filtering and cleaning operations automatically on huge data sets, using a wide range of rules.
In addition to being able to handle larger data sets, products such as Trillium, from Harte-Hanks’ Trillium division, typically include much more elaborate analysis tools for spotting missing and misaligned data, as well as ways to perform very elaborate sanity and consistency checks against the data.
Generally, heavyweight data scrubbing is the province of experts. If you have hundreds of thousands or millions of entries to be checked, at the very least you should seek the advice of someone who is knowledgeable in the field before selecting the product.