Dbs Wk5 16.3: Define the following terms: disk, disk pack, track, block, cylinder, sector, interblock gap, and read/write head. 17.1: Define the following terms: indexing field, primary key field, clustering field, secondary key field, block anchor, dense index, and nondense (sparse) index. 19.5: What is meant by cost-based query optimization?
answered:Dbs Wk5 16.3: Define the following terms: disk, disk pack,
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