It is not necessary to specify a data type for all database columns - only the ones that you want the database to perform error checking on.
Correct Answer:
Verified
Q17: Oracle can automatically generate surrogate keys.
Q18: Database design is usually a very simple
Q19: A relational database was the earlier type
Q20: Data is considered to be normalized as
Q21: Why is an address a bad choice
Q23: A personal database should only be used
Q24: A terminal is a program that requests
Q25: If your database table has a lot
Q26: During the normalization process,it is common to
Q27: The final step in the normalization process
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents