SQL Interview Preparation Course Course

Module 1: Get Started & CRUD Basics

⏳ ~30 minutes

• Topics: Database creation, deletion, cascading operations, and basic insert/update/delete SQL statements.

• Hands-on: Practice through quizzes and write SQL to manipulate tables.

Module 2: Views

⏳ ~30 minutes

• Topics: Creating and using views, including those with aggregate results.

• Hands-on: Define and query views with interactive exercises.

Module 3: Indexes

⏳ ~30 minutes

• Topics: Single and composite index creation and signal how indexing improves query speed.

• Hands-on: Write index creation statements and test query optimizations.

Module 4: Stored Procedures

⏳ ~1 hour

• Topics: Building parameterized stored procedures to handle inserts, updates, and deletions.

• Hands-on: Compose and run robust stored procedures.

Module 5: Complex Data Handling

⏳ ~1 hour

• Topics: String manipulation, REGEX queries, CASE usage, and CROSS JOIN patterns.

• Hands-on: Quiz-style challenges for advanced expression handling.

Module 6: Set Operators

⏳ ~30 minutes

• Topics: Applying UNION, UNION ALL, INTERSECT in multi-table analytical contexts.

• Hands-on: Combine datasets across tables in example queries.

Module 7: Ranking & Analytic Functions

⏳ ~1 hour

• Topics: Learn LAG, LEAD, RANK, FIRST_VALUE/LAST_VALUE/NTH_VALUE for advanced analytics.

• Hands-on: Write SQL to derive reports such as top-performers and trend analysis.

Module 8: Subqueries & Final Tips

⏳ ~30 minutes

• Topics: Nested subqueries with aggregation, filtering patterns, HAVING clausa.

• Hands-on: Build multi-layer queries via coding pads and end-of-course mock interview session.

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