NULL in SQL is a powerful concept, representing the absence of a value. It’s used when data is unavailable or unknown, but its usage requires careful consideration. The first step is understanding the ...
📦 SQL analysis of fast delivery agent reviews using MySQL. 🔍 Covers DISTINCT, WHERE, ORDER BY, NULL, UPDATE & views. 📊 Business insights + optimized queries. 🎯 Includes SQL interview Q&A. 🚀 Task ...
SQL is neither the fastest nor the most elegant way to talk to databases, but it is the best way we have. Here’s why Today, Structured Query Language is the standard means of manipulating and querying ...
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