What is Data Verification?

Data verification is the technique of checking facts for accuracy after a inFormation migration. There are Exceptional kinds of verification:

• Full verification, wherein all the Records is checked
• Sampling verification, in which a small pattern of the facts is checked

Data verification may be each high-priced and time-ingesting to carry out.

What Does Data Verification Mean?

When facts is migrated from a information warehouse to be used in a huge records processing sySTEM, the data wishes to be checked to Make certain that it is correct. Everything from spelling errors to erroneous numbers to statistics loss could jeopardize a big statistics Assignment.

One Method of verifying the data is evaLuating information in a single gadget to the migrated information within the other one-to-one, but this may be time-eating and the costs of going for walks structures may be expensive.

It is likewise possible to test just a subset of the information, but a sample can not probably Constitute all of the facts. Administrators ought to weigh the tradeoff between retaining the time and expense of statistics verification down whilst making sure accuracy. Automating the Procedure is one answer.