Answer:
False
Explanation:
If one of the data values being entered into a table by the INSERT command violates an existing constraint, the database raises an error and none of the records aimed in the insert command is added.
Thus, in insert command syntax and column specifications has to be met in order to add any values being entered.
Answer:
D
Explanation:
because it is more safe than a key
Answer:
Did you write something inappropriate
Explanation:
