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Tricky Database Interview Question🤯

Data Mentorship: Learn SQL, Python, Excel & Airflow

One comment away from getting fired 😭💀 Me: /* DELETE FROM users WHERE user_id = '123' */ Database:

ازاي تعمل Data modeling خطوة بخطوة

SQL vs. NoSQL Databases The choice between SQL and NoSQL impacts how your application stores, scales, and manages data. SQL (Relational Databases) SQL databases use a structured, table-based format with rows and columns. They rely on a predefined schema, meaning you must define the data structure before adding any information. Strengths: Excellent for complex queries, multi-row transactions, and maintaining strict data integrity (ACID compliance). Best Use: Financial systems, accounting software