डेटा रिडंडेंसी डेटाबेस या डेटा स्टोरेज तकनीक के भीतर बनाई गई एक शर्त है जिसमें डेटा का एक ही टुकड़ा दो अलग-अलग जगहों पर होता है । इसका मतलब एक ही डेटाबेस में दो अलग-अलग फ़ील्ड या कई सॉफ़्टवेयर वातावरण या प्लेटफ़ॉर्म में दो अलग-अलग स्पॉट हो सकते हैं।
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Data redundancy is a condition created within a database or datastorage technology in which the same piece of data is held in two separate places. This can mean two different fields within a single database, or two different spots in multiple software environments or platforms.