10 Most Common SQL Interview Questions and How to Answer Them
Prepare for your SQL Interview with the top 10 questions and expert answers covering joins, constraints, normalization, and query optimization.
SQLFlash
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20 min
Tag: SQL Performance
12 posts
DuckDB vs PostgreSQL Which Analytical Database Is Better in 2025
Compare DuckDB vs PostgreSQL for OLAP analytical database needs in 2025. See which offers better performance, scalability, and integration for analytics.
SQLFlash
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13 min
DuckDB vs. ClickHouse: A Comparative Analysis for Analytical Workloads
Compare duckdu clickhouse OLAP Database options for analytics. See which excels in performance, scalability, and integration for your workload needs.
SQLFlash
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15 min
Lesson 36 of the SQL Optimization Course: Time-Based Partitioning Case Study
Time-based partitioning in MySQL optimizes query performance for large datasets by enabling partition pruning and automated data lifecycle management.
ytt
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7 min
What is DuckDB？
DuckDB accelerates analytical workflows through its in-process OLAP engine, offering Python/R integration and efficient data processing for DBAs and data teams.
SQLFlash
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11 min
2025 How to Choose Between PostgreSQL and MySQL
2025 PostgreSQL vs MySQL comparison guide: Learn key factors and see how AI-powered SQLFlash optimizes database performance.
SQLFlash
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11 min
Top 5 Databases to Learn in 2025
2025 database guide: Compare PostgreSQL, MySQL & MongoDB. Learn cloud solutions, automation tools, and career-critical skills for modern DBAs.
SQLFlash
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10 min
How to Choose the Perfect Database for Your Web Application: A Developer's Guide
Optimize database performance with AI-driven tools like SQLFlash. Compare SQL and NoSQL architectures, master ACID compliance, and reduce costs through automated query tuning.
SQLFlash
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12 min
Can PostgreSQL surpass Oracle in 2025?
Optimize SQL queries and boost database performance with AI-powered SaaS tools. Discover automated indexing, real-time execution plan analysis, and cost-saving strategies for scalable cloud database management.
SQLFlash
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11 min
2025 AI-Driven Index Optimization: The New Paradigm for Smart Databases
Discover how AI-driven index optimization revolutionizes database management by automating index tuning, enhancing query performance, and enabling scalable, self-tuning databases. Explore machine learning, reinforcement learning, and AI-powered tools like SQL optimizers to future-proof your database strategy.
SQLFLash
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17 min