ADVANCED SQL 🔥 Pattern Matching Problems | LIKE, Wildcards & Validation Queries

Опубликовано: 11 Июнь 2026
на канале: BigDataYatra
70
1

Alternate Titles
SQL Interview Questions 🚀 Pattern Matching Masterclass
Validate Emails, Phone Numbers & Names in SQL 🔥
SQL LIKE Operator Explained 💡 Real Interview Problems
📝 YouTube Description

In this video, you’ll learn how to solve 3 important SQL Pattern Matching interview problems using:

✔ LIKE Operator
✔ Wildcards
✔ String Functions
✔ Pattern Validation Logic

We solve the following real-world SQL problems:

✅ Part 1: Find Names Containing Numbers
Detect usernames containing digits (0–9)
Use LIKE with character ranges
✅ Part 2: Find Invalid Emails
Validate email format using SQL
Detect missing '@', invalid dots, multiple '@', etc.
✅ Part 3: Validate Phone Numbers
Check phone numbers against pattern:
XXX-XXX-XXXX
Use LIKE, SUBSTRING, LEN, and REPLACE
Topics covered:

✅ SQL LIKE operator
✅ Wildcards in SQL
✅ Pattern matching techniques
✅ String validation logic
✅ Real-world data quality checks
✅ SQL interview tricks

By the end of this video:

• You’ll master SQL pattern matching
• You’ll understand real-world validation queries
• Your SQL interview preparation will improve significantly

🎯 Perfect for:

SQL beginners
Data Analysts
Data Engineers
Interview Preparation

👉 Practice all problems yourself
👉 Compare multiple approaches
👉 Share with your SQL learning group

Visit www.bigdatayatra.com
All views are my own.