Data redundancy means having duplicate or overlapping contacts in your database, which can cause inefficiencies and inflate costs. Here’s how to avoid it:
Ask for Sample Data Before Purchase
Request a sample extract from the seller to check for duplicates and assess data quality. Use this to brazil telegram data run basic deduplication tests before committing.
Use Data Cleaning Tools
Employ tools or software that can identify and remove duplicates based on phone numbers, usernames, or other unique identifiers. Tools like Excel’s “Remove Duplicates” feature or dedicated CRM software can help.
Clarify Database Overlaps
If you’re buying multiple databases or adding to existing lists, ask the seller if the data overlaps with other sets you own. Some sellers provide “clean” or “exclusive” data guarantees.
Choose Databases with Unique Segmentation
Buy databases segmented by distinct criteria such as geography, interest groups, or demographics to minimize overlaps between data sets.
Request Deduplication Reports
Ask the vendor if they provide deduplication reports or use third-party validation services to ensure their database is free from redundant entries.
Maintain a Master Database
When integrating new data, always merge it into a master database and run deduplication processes regularly to keep the list clean over time.
Set Clear Data Usage Protocols
Train your team or set systems that prevent manual duplication during data entry or integration.