What is the difference between the SubQuery and Corelated SubQuery ?
Answer : The inner query is executed only once...
What is the Difference between join and union ?
Answer : The union operator combines the results of two or more queries into a single result set...
What is the SQLCode -501 ?
Answer : sqlcode -501 pops up to show...
What is the difference between a HAVING CLAUSE and a WHERE CLAUSE ?
Answer : The HAVING clause sets conditions on the GROUP BY...
Difference between Clustered and Non-clustered index ?
Answer : Cluster index: Clustered index will be created...
What is an Index ?
Answer : Index is a database object which improves the efficiency of the query...
How to find the second highest salary from emp table ?
Answer : Select max(sal)...
What is the Difference between C, C++, Java and Python ?
Answer : Developed Year,1972,1979,1991,1991
What is the Difference Between Python and Scala ?
Answer : Python is both object-oriented and functional.
What is Python Networking Programming ?
Answer : The standard library of python supports network protocols....
What is Duck Typing in Python ?
Answer : Duck typing is the “type” of the object is a matter of concern only......
What is Double Asterisk (**) in python ?
Answer : In Python ** is an exponential operator......
What is python unsigned right shift (>>>) ?
Answer : The symbol >>> is used to point out that what’s coming after is Python Code.....
What is Decorator in python ?
Answer : A decorator in Python is a function that takes another function as an argument...
What is Python Wrapper ?
Answer : A wrapper is a python module that interface between python and another software library function which is a non...
What is Python Pickle Module ?
Answer : Python's pickle module is a serialization (converting the object into streams of bytes) library which is used to...
What is Python Flask ?
Answer : The flask is a web-development framework and it is one of the most-popular modules of python for web developers.
What is Python Threading ?
Answer : It is a light-weight process and they don’t require more memory overhead they are less expensive than processes.
What is Python Set Union ?
Answer : The union() method returns a new set with distinct elements from each and every one of the sets.
What is super function in Python ?
Answer : A super() indicates the immediate parent of actual class. Just like `self` which is not a keyword, but to access...
