Data redundancy and inconsistency is not a drawback of using file systems to store data compared to databases.
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1.Data redundancy and inconsistency is not a drawback of using file systems to store data compared to databases
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2.All database systems can realize data sharing and avoid all the data redundancy.
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3.Buffering data can speed access to data up to 100 times when compared to reading it from the database
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4.How can we store and process Big Data?
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5.In the following options, the opening modes that cannot write data to the opened file include ( ).
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6.Spatial data include vector data, raster data, image data, surface data, and scene data, we use ____
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7.Spatial data include vector data, raster data, image data, surface data, and scene data, we use ____
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8.Researchers frequently find it useful to present the data graphically, using tables or figures.
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9.data processing; data processed
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10.计数资料qualitative data count data