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SQL & Databases interview questions and answers for beginners to advanced candidates.
Total questions
216+
Theory · MCQs · coding
Sets & tracks
14+
Structured for revision
Topics covered
11+
In-depth roadmap
14+ curated interview questions.
15+ curated interview questions.
15+ curated interview questions.
14+ curated interview questions.
29+ curated interview questions.
15+ curated interview questions.
14+ curated interview questions.
14+ curated interview questions.
14+ curated interview questions.
15+ curated interview questions.
14+ curated interview questions.
14+ curated interview questions.
15+ curated interview questions.
14+ curated interview questions.
Mixed · 4+ questions
Mixed · 14+ questions
Mixed · 33+ questions
Mixed · 11+ questions
Mixed · 9+ questions
Mixed · 32+ questions
Mixed · 21+ questions
Mixed · 28+ questions
Mixed · 20+ questions
Mixed · 23+ questions
Mixed · 21+ questions
Technical Jobs · 80+ questions
Technical Jobs · 80+ questions
Technical Jobs · 80+ questions
Technical Jobs · 76+ questions
Technical Jobs · 76+ questions
Technical Jobs · 76+ questions
Technical Jobs · 60+ questions
Technical Jobs · 60+ questions
Technical Jobs · 60+ questions
Which SQL statement retrieves all columns and rows from a table named employees?
Which clause filters rows before aggregation and affects which rows are grouped?
What is the default sort order when ORDER BY is used without ASC or DESC?
Which construct is commonly used to paginate results in SQL engines like Postgres and MySQL?
Which predicate correctly checks for missing values in standard SQL?
What is the main purpose of using column or table aliases in a SELECT statement?
Which query returns rows where city is either 'Delhi' or 'Mumbai'?
Which statement inserts a single row into a table?
What is the safest pattern to update or delete rows in production?
Why do many teams avoid SELECT * in production queries? Give practical reasons.
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