The idea behind concurrency control is to deny several users access to the same database record at the same time.
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Q32: The E-R model refers to the "entity-relationship"
Q33: The "concurrency" concern in database operations refers
Q34: "Protecting privacy" is an important goal in
Q35: An example of a database cardinality is
Q36: Normalizing accounting data refers primarily to eliminating
Q38: An advantage of relational databases is that
Q39: An example of a "one-to-one" relationship is
Q40: Database security is no longer important because
Q41: Relational databases store small amounts of data
Q42: A database is in first normal form
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