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Understanding MySQL joins and subquery structure
MySQL joins are used to combine rows from two or more tables based on a related column between them
Subqueries in MySQL are queries nested within another query, used to retrieve data from one table based on the result of another query
Common types of joins in MySQL include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN
Subqueries can be used in SELECT, INSERT, UPDATE, and
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A pointer to pointer is a variable that stores the memory address of another pointer variable.
It is used to create dynamic data structures like linked lists and trees.
It allows multiple levels of indirection.
It is denoted by ** in C and C++.
Example: int **ptr;
Example: ptr = &p; where p is a pointer variable.
I applied via Recruitment Consultant and was interviewed before Oct 2020. There were 3 interview rounds.
I applied via Company Website and was interviewed before Oct 2022. There were 3 interview rounds.
An interface in software engineering defines a contract for classes to implement, specifying methods and properties.
Defines a set of methods and properties that a class must implement
Does not contain any implementation details, only method signatures
Used to achieve abstraction and multiple inheritance in programming
Examples: Java interfaces, C# interfaces
I applied via Job Portal and was interviewed before May 2023. There was 1 interview round.
Palindrome code should be designed to check if a given string is the same forwards and backwards.
Create a function that takes a string as input
Remove any spaces and punctuation from the string
Reverse the string and compare it to the original string to check if it is a palindrome
Program to print the Fibonacci series up to a given number.
Take input from user for the limit of the series.
Initialize two variables with 0 and 1 respectively.
Use a loop to generate the series and print each number.
Add the previous two numbers to get the next number in the series.
I applied via Company Website and was interviewed in Jul 2024. There were 2 interview rounds.
I applied via Walk-in and was interviewed in Jun 2023. There were 3 interview rounds.
Program output prediction,Logical
3 programs ,any Language you choose. One SQL and 2 programs
based on 1 interview
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