43.In a(n) ____ recovery, the DBMS uses the log to reenter changes made to a database since the last saveor backup.a.instantc.integratedb.baselined.forwardANS: DPTS:1REF:532
44.In a log, a DBMS places ____.
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Principles of Information Systems
Reynolds/Stair
Expert Verified
b.the actual change to a recordd.all of the aboveANS: DPTS:1REF:53245.More complex DBMSs maintain a(n) ____, which is a listing of activities that change the contents of adatabase.PTS:1REF:532
46.A DBMS that creates a log usually provides a(n) ____ utility that uses the logs and/or backups torestore a database when it becomes damaged or destroyed.PTS:1REF:532
47.In a(n) ____ recovery, the DBMS uses the log to undo any changes made to a database during a certainperiod.a.backwardc.undob.restoratived.modelANS: APTS:1REF:532
48.____ backup is a backup plan in which all data is backed up whenever a change is made.PTS:1REF:532
49.A(n) ____ model consists of rules and standards that define how a database organizes data.PTS:1REF:533
50.Some databases are called ____ databases because they combine features of the relational and object-oriented data models.PTS:1REF:533
51.Popular data models in use today include all of the following EXCEPT ____.a.relationalc.object-orientedb.hierarchicald.multidimensionalANS: BPTS:1REF:533
52.In a relational database, each row ____.
d.and each column has a unique nameANS: CPTS:1REF:53353.A user of a relational database, such as that pictured in the accompanying figure, refers to a file as a____.
b.columnd.relationshipANS: APTS:1REF:53354.A user of a relational database, such as that pictured in the accompanying figure, refers to a record as a____.PTS:1REF:533
55.A user of a relational database, such as that pictured in the accompanying figure, refers to a field as a____.a.tablec.rowb.columnd.relationshipANS: BPTS:1REF:533