A partial dependency exists.
We have two types of dependency. The partial dependency and the transitive dependency.
The answer here is partial dependency. It occurs when the attribute only depends on some parts of the element. In such attribute, the primary key is the determinant.
It can be shown as;
XY→WZ , X→W and XY is the primary key or the only candidate key
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Answer:
A drill is one of the most important tools a dentist can have. They run on pneumatic systems which gives the drill power and precision.
Explanation:
So, false
The device which typically combines the capabilities of a scanner , fax ,and copying machine is called an input device.
Answer:
name = re.search(r"^([\w \.-]), ([\w \.-])$", list_name)
Explanation:
Regular expression is used to simplify the mode in which items in a data structure are for. It uses wildcards as shortcuts.
The python module for regular expression is 're'. The import statement is used to get the module and the search() method of the module is used to get the one matching item while the findall() method is used to get a list of all the matching items in a data structure.