Data DiffWhat is Data Diff?
It is an open-source command-line tool and Python library to efficiently diff rows across two different databases. It splits the table into smaller segments, then checksums each segment in both databases. When the checksums for a segment aren't equal, it will further divide that segment into yet smaller segments, checksumming those until it gets to the differing row(s).
Data Diff is a tool in the Databases category of a tech stack.
Key Features
Verifies across many different databases (e.g. PostgreSQL -> Snowflake)Outputs diff of rows in detailSimple CLI/API to create monitoring and alerts
Data Diff Pros & Cons
Pros of Data Diff
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Cons of Data Diff
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Data Diff Alternatives & Comparisons
What are some alternatives to Data Diff?
Slick
It is a modern database query and access library for Scala. It allows you to work with stored data almost as if you were using Scala collections while at the same time giving you full control over when a database access happens and which data is transferred.
Spring Data
It makes it easy to use data access technologies, relational and non-relational databases, map-reduce frameworks, and cloud-based data services. This is an umbrella project which contains many subprojects that are specific to a given database.
Dataform
Dataform helps you manage all data processes in your cloud data warehouse. Publish tables, write data tests and automate complex SQL workflows in a few minutes, so you can spend more time on analytics and less time managing infrastructure.
