A sparse index and a dense index are the same thing.Selected Answer:[pic 1] FalseCorrect Answer:[pic 2] FalseQuestion 21 out of 1 pointsThe file system uses the disk management subsystem.Selected Answer:[pic 3] TrueCorrect Answer:[pic 4] TrueQuestion 31 out of 1 pointsEven though main memory is faster that secondary storage, its volatility makes it less suitable for database storageSelected Answer:[pic 5] TrueCorrect Answer:[pic 6] TrueQuestion 40 out of 1 pointsIf records are 1000 bytes, an 8k page can store exactly 8 recordsSelected Answer:[pic 7] FalseCorrect Answer:[pic 8] TrueQuestion 51 out of 1 pointsWhich of the following is not a file access methodSelected Answer:[pic 9] Indirect AccessCorrect Answer:[pic 10] Indirect AccessTo design security mechanisms for the database as specified by the users during requirements is the objective of which step in physical designSelected Answer:[pic 11] Access RightsCorrect Answer:[pic 12] Design Security MechanismsQuestion 21 out of 1 pointsTo decide how to represent any derived data present in the logical data model in the target DBMS is the objective of which step in physical database designSelected Answer:[pic 13] design representation of derived dataCorrect Answer:[pic 14] design representation of derived dataQuestion 30 out of 1 pointsTo design user views that were identified in requirements is the objective of which step of physical designSelected Answer:[pic 15] view realizationCorrect Answer:[pic 16] design user viewsQuestion 41 out of 1 pointsTo estimate the amount of disk space that will be required by the database is the objective of which step in physical designSelected Answer:[pic 17] estimate disk space requirementsCorrect Answer:[pic 18] estimate disk space requirements
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