Is it possible to add any type of constraint to an existing table? Are there any restrictions?
What will be an ideal response?
A constraint can be added to a table with the ALTER TABLE ADD CONSTRAINT statement,
but the values already entered into the table or tables must already conform to the constraint to be
added.
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Which one of the following is an advantage of the PCI-X bus?
A) It is portable and works on Apple and PC-compatible computers. B) It releases the microprocessor from all processing work. C) It is backward compatible with and faster than earlier PCI buses. D) It transmits data more accurately than earlier architectures.
Duplicate IP addresses can occur if a device has been manually assigned a static IP address that is within the range of IP addresses that the DHCP server regulates
Indicate whether the statement is true or false