Welcome to the Developing SQL Databases Certification exam! This certification is designed to validate your skills and knowledge in designing, implementing, and managing SQL databases. It covers essential concepts and advanced techniques necessary for developing robust, scalable, and efficient SQL database solutions.
Objectives
By taking this test, you will be able to:

1. Demonstrate your understanding of database design and normalization.
2. Show proficiency in writing complex SQL queries and stored procedures.
3. Validate your skills in implementing database objects such as tables, views, indexes, and triggers.
4. Prove your capability in optimizing and tuning SQL queries for performance.
5. Exhibit your knowledge of database security and data integrity.
6. Illustrate your understanding of implementing transactions and handling concurrency.

Exam Format

• Duration: 1 min. per question
• Total Questions: 104
• Question Types:
  
  • Multiple Choice Questions (MCQs)
  • True/False Questions
  • Short Answer Questions
  • Coding Exercises
  • Scenario-based Problems

Topics Covered

1. Database Design and Normalization
   
   • Principles of database design
   • Entity-Relationship (ER) modeling
   • Normalization and denormalization techniques
   • Designing relational database schemas
2. SQL Query Writing
   
   • Basic and advanced SELECT statements
   • JOIN operations (INNER, OUTER, CROSS)
   • Subqueries and common table expressions (CTEs)
   • Aggregate functions and GROUP BY clauses
3. Database Objects Implementation
   
   • Creating and managing tables
   • Defining and using views
   • Implementing indexes for performance optimization
   • Creating and managing triggers
4. Stored Procedures and Functions
   
   • Writing and optimizing stored procedures
   • Implementing user-defined functions (UDFs)
   • Error handling in stored procedures
   • Using transactions within stored procedures
5. Performance Tuning and Optimization
   
   • Analyzing and optimizing query performance
   • Understanding execution plans and indexing strategies
   • Using performance monitoring tools
   • Identifying and resolving performance bottlenecks
6. Database Security and Integrity
   
   • Implementing data encryption and decryption
   • Managing user roles and permissions
   • Enforcing data integrity with constraints (PRIMARY KEY, FOREIGN KEY, UNIQUE, CHECK)
   • Auditing and monitoring database activity
7. Transactions and Concurrency Control
   
   • Understanding ACID properties
   • Implementing and managing transactions
   • Handling concurrency with isolation levels
   • Managing locks and deadlocks

Preparation Tips

• Review SQL database documentation and familiarize yourself with its core concepts and features.
• Practice designing and normalizing database schemas.
• Gain hands-on experience in writing and optimizing SQL queries, stored procedures, and functions.
• Study database objects implementation, including tables, views, indexes, and triggers.
• Understand database security best practices and how to enforce data integrity.
• Learn about transactions, concurrency control, and performance tuning techniques.
• Take sample tests and practice problems to gauge your understanding and readiness.

Good luck with your exam preparation! Demonstrate your skills in developing SQL databases and achieve the Developing SQL Databases Certification!