Multiple Choice
In the database redesign process,an SQL tool that is useful for testing whether or not certain conditions or assumptions are valid is ________.
A) UPDATE
B) DROP TABLE
C) CREATE TRIGGER
D) NOT EXISTS
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q67: When making any change to the database
Q68: SQL queries that use EXISTS and NOT
Q69: When changing the minimum cardinality on the
Q70: Typically,there are at least four different copies
Q71: In a correlated subquery,the DBMS must run
Q73: There is a common trap in writing
Q74: Changing cardinalities _.<br>A)never occurs in database redesign<br>B)rarely
Q75: Dependency graphs are graphical displays like bar
Q76: When running a correlated subquery,the DBMS _.<br>A)runs
Q77: The data model produced by reverse engineering