Examlex
Q8: The Chen notation identifies a weak entity
Q21: If T1 has not unlocked data item
Q25: The statement in SQL combines rows from
Q39: When selecting DBMS ,items to consider include
Q41: Typically,the scenario requires a network file server
Q52: A table is in BCNF if every
Q55: Data type selection is usually dictated by
Q66: SQL requires the use of the ADD
Q73: Explain the concept of data analytics.What are
Q84: SQL is considered difficult to learn; its