Kailas Warade

Technology professional sharing practical tutorials, technical insights, and real-world examples across programming, databases, data, cloud, and emerging technologies.

Pune Maharashtra india Joined on Sep 15, 2026 https://www.sankalandtech.com/about.html

Education

MCA, Pune University Maharashtra india

Pronouns

Technology professional sharing practical insights on programming, data, cloud, and AI.

Work

Data Engineering & Analytics | SQL | Python | Cloud | AI

Kailas Warade

Nov 4

SQL Challenge: Why Is Your SQL Query Still Returning NULL?

#sql #database #tutorial #analytics

2 min read

Kailas Warade

Nov 3

SQL CASE WHEN: How to Categorize Employee Salaries into Low, Medium, and High

#sql #database #programming #tutorial

2 min read

Kailas Warade

Nov 2

SQL Challenge: Can You Find Employees Earning More Than Their Department's Average Salary?

#sql #database #programming #tutorial

1 min read

Kailas Warade

Nov 2

SQL JOIN Example: How to Get Employee Names Along with Department Names

#sql #database #programming #tutorial

2 min read

Kailas Warade

Nov 1

SQL Challenge: How to Get Employee Names and Department Names Using JOIN

#sql #database #programming

2 min read

Kailas Warade

Oct 31

SQL EXISTS vs JOIN: Find Customers Who Have Placed an Order

#sql #database #programming #sqlserver

3 min read

Kailas Warade

Oct 30

SQL: WHERE, ORDER BY, and LIMIT — Why Your Query May Return the Wrong Employees

#database #datascience #dataengineering #analytics

3 min read

Kailas Warade

Oct 29

5 Common SQL Mistakes: WHERE, ORDER BY, AND/OR, and Top 3 Queries

#sql #database #tutorial #sqlserver

3 min read

Kailas Warade

Oct 28

SQL SELECT Statement: Practical Examples for Interview Preparation

#sql #tutorial #database #learning

4 min read

Kailas Warade

Oct 25

Why Your SQL Query Returns the Wrong Rows (And How WHERE and ORDER BY Fix It)

#sql #database #sqlserver #interview

6 min read

Kailas Warade

Oct 22

A Single SQL Constraint Can Save Your Database From Bad Data — Do You Know Which One?

#sql #database #tutorial #beginners

5 min read

Kailas Warade

Oct 19

Find Departments with an Average Salary Above the Company Average

#sql #dataengineering #learnsql #sqlinterview

2 min read

Kailas Warade

Oct 8

SQL: Find the Top 2 Orders for Every Customer Using Window Functions

#dataengineering #database #sql #tutorial

3 min read

Kailas Warade

Oct 7

Python Functions Explained: 10 Concepts Every Python Developer Should Know

#programming #python #interview #coding

4 min read

Kailas Warade

Oct 5

Python Loops and Flow Control: A Practical Guide to Repetition and Program Execution

#python #programming #tutorial #datascience

7 min read

Kailas Warade

Oct 1

Python if-else: A Simple Guide with Examples

#python #programming #beginners #tutorial

4 min read

Kailas Warade

Sep 27

Python Operators Explained with Simple Examples

#python #programming #tutorial

4 min read

Kailas Warade

Sep 25

Python Data Types Explained With Practical Examples

#python #programming #beginners #tutorial

5 min read

Kailas Warade

Sep 18

Python Variables: Why y = x Sometimes Changes Both Variables

#pythonvariable #python

4 min read

Kailas Warade

Sep 16

10 Python Variable Mistakes Developers Still Make (And How to Fix Them)

#python #programming #tutorial #codequality

5 min read

Kailas Warade

Sep 15

Python Basics: 10 Things Every Beginner Should Understand

#python #beginners #programming

5 min read

DEV Community

Kailas Warade

Badges

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Skills/Languages

Currently learning

SQL Challenge: Why Is Your SQL Query Still Returning NULL?

SQL CASE WHEN: How to Categorize Employee Salaries into Low, Medium, and High

SQL Challenge: Can You Find Employees Earning More Than Their Department's Average Salary?

SQL JOIN Example: How to Get Employee Names Along with Department Names

SQL Challenge: How to Get Employee Names and Department Names Using JOIN

SQL EXISTS vs JOIN: Find Customers Who Have Placed an Order

SQL: WHERE, ORDER BY, and LIMIT — Why Your Query May Return the Wrong Employees

5 Common SQL Mistakes: WHERE, ORDER BY, AND/OR, and Top 3 Queries

SQL SELECT Statement: Practical Examples for Interview Preparation

Why Your SQL Query Returns the Wrong Rows (And How WHERE and ORDER BY Fix It)

A Single SQL Constraint Can Save Your Database From Bad Data — Do You Know Which One?

Find Departments with an Average Salary Above the Company Average

SQL: Find the Top 2 Orders for Every Customer Using Window Functions

Python Functions Explained: 10 Concepts Every Python Developer Should Know

Python Loops and Flow Control: A Practical Guide to Repetition and Program Execution

Python if-else: A Simple Guide with Examples

Python Operators Explained with Simple Examples

Python Data Types Explained With Practical Examples

Python Variables: Why y = x Sometimes Changes Both Variables

10 Python Variable Mistakes Developers Still Make (And How to Fix Them)

Python Basics: 10 Things Every Beginner Should Understand