What is SQL and what are its primary uses?
A database question defining Structured Query Language and its role in data management.
Why Interviewers Ask This
SQL is the standard for relational databases. Knowing its purpose is fundamental for any data-related role.
How to Answer This Question
Define SQL as a language for managing relational databases. List uses: querying, updating, inserting, deleting data. Mention CRUD operations.
Key Points to Cover
- Relational database management
- CRUD operations
- Querying capabilities
- Standardization
Sample Answer
SQL stands for Structured Query Language. It is the standard language for managing and manipulating relational databases. Its primary uses include querying data to retrieve specific information, updating existing records…
Common Mistakes to Avoid
- Confusing with NoSQL
- Vague definitions
- Missing key operations
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