Answer : D) all the above…
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Answer : Lazy write is an effect caused by the use of a write-back cache…
Answer : The union operator combines the results of two or more queries into a single result set…
Answer : Index is a database object which improves the efficiency of the query…
Answer : Duck typing is the “type” of the object is a matter of concern only……
Answer : The symbol >>> is used to point out that what’s coming after is Python Code…..
Answer : A decorator in Python is a function that takes another function as an argument…
Answer : A wrapper is a python module that interface between python and another software library function which is a non python interface.
Answer : Python’s pickle module is a serialization (converting the object into streams of bytes) library which is used to serialize the python objects.