Examlex
You are creating a BOAT table using existing data from multiple sources,and you find that you have "power boat blue","boat,power,blue" and "blue power boat" as data values for the same column.This is an example of the inconsistent values problem.
Q1: Explain how to run an SQL query
Q3: Read-only databases often use several copies of
Q4: A relation is in 3NF if and
Q12: One of the important properties of an
Q13: In UML-style E-R diagrams,a weak entity is
Q25: Data models are created during the component
Q38: The DBMS ranked as being the "easiest
Q41: The first step in the database design
Q64: The ideal primary key is _.<br>A)short<br>B)numeric<br>C)fixed<br>D)A and
Q70: The SQL built-in function MOST obtains the