PROFICIENCY CERTIFICATE COURSE IN SQL DATABASE MANAGEMENT

Course Duration and Cost

Total Duration: 8-12 weeks (2-3 months)
Weekly Commitment: 2 hours per day
Course Fee: 15,000 Kenya Shillings

Course Overview

This certificate course focuses on developing fundamental skills in SQL (Structured Query Language) for effective database management. Participants will learn to design, query, and administer relational databases using SQL. The course covers essential SQL commands, database normalization, data manipulation, and transaction management, preparing individuals for roles in database administration and data management.

Course Outline

Week 1: Introduction to SQL

Overview of relational databases and SQL
Setting up SQL environment (MySQL, PostgreSQL, etc.)
Basic SQL syntax and commands (SELECT, INSERT, UPDATE, DELETE)

Week 2: Retrieving Data with SQL

Filtering and sorting data (WHERE, ORDER BY)
Working with multiple tables (JOIN operations)
Aggregating data with GROUP BY and HAVING clauses

Week 3: Advanced SQL Queries

Subqueries and nested queries
Set operations (UNION, INTERSECT, EXCEPT)
Conditional logic with CASE statements

Week 4: Data Definition Language (DDL)

Creating and modifying database objects (tables, indexes)
Defining constraints (PRIMARY KEY, FOREIGN KEY)
Altering table structures

Week 5: Data Manipulation Language (DML)

Inserting, updating, and deleting data
Transaction control (COMMIT, ROLLBACK, SAVEPOINT)
Managing sequences and identity columns

Week 6: Data Integrity and Constraints

Enforcing data integrity (NOT NULL, UNIQUE, CHECK constraints)
Implementing referential integrity (FOREIGN KEY constraints)
Using triggers for automated actions

Week 7: Database Normalization

Understanding database normalization forms (1NF, 2NF, 3NF)
Reducing data redundancy and improving data integrity
Practical normalization examples

Week 8: Indexing and Performance Optimization

Creating and managing indexes
Optimizing SQL queries for performance
Analyzing query execution plans

Week 9: Views and Stored Procedures

Creating and managing views
Implementing stored procedures and functions
Using parameters and variables in procedures

Week 10: Transactions and Concurrency Control

Managing transactions in SQL
Isolation levels and transaction locking
Handling concurrent transactions

Week 11: Backup and Recovery

Strategies for database backup and restore
Implementing disaster recovery plans
Data archival and retention policies

Week 12: Final Project and Presentation

Applying SQL skills to a real-world database management project
Presenting database design and implementation
Graduation and certificate award ceremony

Certification

Upon successful completion, students will receive a proficiency certificate in SQL Database Management.