SQL Interview Guide - 2025

Prepare to ace SQL interviews and become a true SQL expert with "SQL Interview Success – 2025" - your complete Oracle SQL mastery guide. With 263 real-world interview questions, this app goes beyond basic Q&A to deliver detailed explanations, practical code, and expert solutions tailored for top tech interviews.

Whether you're applying to major tech firms or data-driven companies, these questions and solutions are designed to work across all industries and roles.

Key Features:

263 Real-World SQL Questions

Master critical topics like joins, subqueries, functions, views, materialized views, complex queries, performance tuning, indexing - and more.

Includes advanced concepts from:

Data Science

Data Analytics

Data Engineering

Business Analysis

Real-world SQL challenges and tricky scenarios

Expert Solutions from a Senior Professional:

Answers are crafted by a database expert with 16+ years of experience - clear, practical, and interview-ready.

Multiple Methods Per Problem:

Learn to solve questions in different ways, with side-by-side techniques:

Method 1: Using aggregate functions

Method 2: Using analytical functions

Method 1: Subqueries or joins

Method 2: Common Table Expressions (CTEs)

Method 1: SUBSTR and INSTR

Method 2: REGEXP functions

Focused Interview Prep:

Each question includes a probability rating (High, Medium, Low) to help you study smarter, not harder.

Cross-Platform SQL Knowledge:

While centered on Oracle SQL, the concepts apply seamlessly to MySQL, PostgreSQL, SQL Server, DB2, and other platforms.

Organize Your Learning:

Bookmark questions, mark them as read, and tailor your prep workflow to match your pace and priorities.

Whether you’re new to SQL or sharpening your skills for your next opportunity, "SQL Interview Success - 2025" gives you everything you need to master SQL - to land your dream job or be recognized as an expert in your current position.