Find Maximum Unique ID in SQL | Handling Duplicates Efficiently

Calculate Monthly Sales from YTD Sales Using SQL | LAG Window Function

Generate Movie Theatre Seat Numbers Using SQL | Recursive CTE Approach

Check If a Word Is a Palindrome Using SQL | Recursive CTE Approach

Merge Employee Data UNION vs JOIN Explained in SQL | Handling New & Existing Records

Sort and Aggregate Emails by Team in SQL | STRING AGG & GROUP BY Explained

Find Manager and Senior Manager for Employees Using SQL | SQL Self Join

SQL Query to Pair Adults with Children Based on Age | SQL Window Functions & Ranking

SQL Query to Find Employees with Only Outstanding Awards | SQL Aggregation & Filtering

SQL Aggregation : Transaction Analysis by Month and Country

Find Number of No Sale Days with Gaps Using SQL CTE & Window Functions

Generate Fibonacci Series in SQL | Recursive CTE Example

Find Employees Without Promotion for 3+ Years Using SQL Window Functions & Joins

Find 3 or More Consecutive Vacant Seats Using SQL | Window Functions & Row Number

🏆 Find Subject Toppers in SQL | ROW_NUMBER() & Aggregation | SQL Problem Solving

Generate Pattern from String Using SQL | Recursive CTE in SQL | SQL Problem Solving

Calculate Total Business Days Excluding Weekends & Holidays Using SQL

Find Stocks with Increasing Prices for 3 or More Consecutive Days Using SQL

Find Number of Months a Customer Placed an Order Using SQL | SQL Aggregation & GROUP BY

Find Customer Start & End Points from Flight Data Using SQL

How to Calculate First Time City Visits Year Wise in SQL : SQL Problem Solving with CTEs

Determining Organizational Hierarchy with Recursive CTEs

SQL Query to Find Customers Buying Specific Products : A Step-by-Step Guide

Monthly Sales Aggregation Made Simple using CASE and PIVOT

Mastering SQL Unpivoting Two Simple Approaches to Reshape Your Data

Analyze Total Calls and Call Durations Between Individuals in SQL

Generate Alphabet Sequence Pairs in SQL | Recursive CTE for AA-ZZ Pattern

Find First and Last Purchases for Each Customer | Row_Number vs First_Value & Last_Value

Spark Scala Tutorial: Data Transformation with Split and concat_ws Functions | Full Name Composition

Spark Scala Tutorial: Quick DataFrame and RDD Creation | Sample Records Testing

Spark Scala Tutorial: Handling Multi-Line Data with multiLine Option | Accurate DataFrame Creation

Spark Scala Tutorial: Exploding and Splitting Data for Multi-Value Columns

Spark Scala Tutorial: Text Transformation with Translate Function | Replace Characters

Spark Scala Tutorial: Extracting Substring with substring_index Function | Text Processing Example

Spark Scala Tutorial: Random Sampling in DataFrames | Extracting 30% Records

Spark Scala Tutorial: Solving Bus Journey Data Problem | Unique Location Combinations

Spark SQL Mastery: How to Format Amounts with 'format_number'

Mastering Spark SQL Functions: Filtering and Row_Number | Spark Quiz Data Analysis

Spark SQL Translate: Generating Unique UserIDs with Vowels Removed | Spark Problem-Solving

Efficient Null Replacement in Apache Spark using na.fill | Spark Tutorial

Apache Spark Databricks Setup Tutorial | Step-by-Step Guide for Beginners

SQL Multi Join Interesting Problem | Finding the employees moved to next level

SQL Decoding Problem | Decoding the message problem

SQL Third highest score with Twist | SQL Problem Solving

SQL Customer Frequent Interview Question | 3 Approaches | Customers who have not placed any order

SQL Interview Salary Problem | Employees with salary greater than department average salary

SQL Self Join | Finding unique matches between opponents

SQL Pattern Generation | Generating the Right half Pyramid pattern | Recursive CTE

SQL INNER or LEFT Join? | Finding list of reportees to manager

Customer Orders SQL Problem | Find 3 consecutive orders within 7 days

SQL CASE Usage in Different way | Finding number of employees hired in a quarter

SQL Self Join | Frequent Interview Question | Employees with salary greater than their manager

Find the total call duration | SQL Problem Solving

SQL Duplicate Delete Interview Question | Delete duplicates with increasing id

Find the expenditure amount in the group | SQL Problem Solving

Multi Join SQL Problem | Employee & Manager with same number of reportee | SQL Problem Solving

Best SQL Self Join Problem | Finding the best buy and sell date of stocks to get maximum profit

Getting the file path, name and extension | LEFT | RIGHT | SQL Problem Solving

Fetching the YTD entries for given input date | SQL Problem Solving

Finding if department is male or female dominant | SQL Problem solving