Why 1 + 1 Isn’t Always 2? 🤯| SQL Interview Question

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In this SQL tutorial, we dive into a seemingly straightforward SELECT statement with a twist! 🤔 We’ll explore why comparing NUMERIC 1 with STRING 1 can lead to unexpected results. Join us as we unravel the mystery behind implicit type casting in SQL. Whether you’re a beginner or an experienced SQL practitioner, this video will enhance your understanding of data types and query behavior.

🎯 Key Points:

Understand the WHERE clause intricacies when comparing different data types.
Discover why SQL’s forgiving nature can surprise you.
Witness the surprising output of SELECT 1 + 1 AS result FROM your_table_name WHERE 1 = '1';
🔔 Subscribe for more SQL tutorials and stay ahead in your database journey! 💡

[PandaVlademirBerlin]

Depends on the version of sql you are using.. This won't work on bigquery

[kanneboinateja]

If you don't cast it will throw error