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Getting started with SQL comparison operators.

If you're new to SQL, understanding comparison operators is one of the first things you'll need to learn.

They’re really important for filtering and analyzing your data. Let’s break them down with some simple examples.

Comparison operators let you compare values in SQL queries. Here are the basics:
1. = (Equal To): Checks if two values are the same.
Example: SELECT * FROM Employees WHERE Age = 30; (This will find all employees who are exactly 30 years old).

2. <> or != (Not Equal To): Checks if two values are different.
Example: SELECT * FROM Employees WHERE Age <> 30; (This will find all employees who are not 30 years old).

3. > (Greater Than): Checks if a value is larger.
Example: SELECT * FROM Employees WHERE Salary > 50000; (This will list all employees earning more than 50,000).

4. < (Less Than): Checks if a value is smaller.
Example: SELECT * FROM Employees WHERE Salary < 50000; (This will show all employees earning less than 50,000).

5. >= (Greater Than or Equal To): Checks if a value is larger or equal.
Example: SELECT * FROM Employees WHERE Age >= 25; (This will find all employees who are 25 years old or older).

6. <= (Less Than or Equal To): Checks if a value is smaller or equal.
Example: SELECT * FROM Employees WHERE Age <= 30; (This will find all employees who are 30 years old or younger).

These simple operators can help you get more accurate results in your SQL queries.

Keep practicing and you’ll be great at SQL in no time.

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Hope it helps :)

Lol 😂

Common Programming Interview Questions

    How do you reverse a string?
    How do you determine if a string is a palindrome?
    How do you calculate the number of numerical digits in a string?
    How do you find the count for the occurrence of a particular character in a string?
    How do you find the non-matching characters in a string?
    How do you find out if the two given strings are anagrams?
    How do you calculate the number of vowels and consonants in a string?
    How do you total all of the matching integer elements in an array?
    How do you reverse an array?
    How do you find the maximum element in an array?
    How do you sort an array of integers in ascending order?
    How do you print a Fibonacci sequence using recursion?
    How do you calculate the sum of two integers?
    How do you find the average of numbers in a list?
    How do you check if an integer is even or odd?
    How do you find the middle element of a linked list?
    How do you remove a loop in a linked list?
    How do you merge two sorted linked lists?
    How do you implement binary search to find an element in a sorted array?
    How do you print a binary tree in vertical order?

Conceptual Coding Interview Questions

    What is a data structure?
    What is an array?
    What is a linked list?
    What is the difference between an array and a linked list?
    What is LIFO?
    What is FIFO?
    What is a stack?
    What are binary trees?
    What are binary search trees?
    What is object-oriented programming?
    What is the purpose of a loop in programming?
    What is a conditional statement?
    What is debugging?
    What is recursion?
    What are the differences between linear and non-linear data structures?


General Coding Interview Questions

    What programming languages do you have experience working with?
    Describe a time you faced a challenge in a project you were working on and how you overcame it.
    Walk me through a project you’re currently or have recently worked on.
    Give an example of a project you worked on where you had to learn a new programming language or technology. How did you go about learning it?
    How do you ensure your code is readable by other developers?
    What are your interests outside of programming?
    How do you keep your skills sharp and up to date?
    How do you collaborate on projects with non-technical team members?
    Tell me about a time when you had to explain a complex technical concept to a non-technical team member.
    How do you get started on a new coding project?

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