Free online courseDatabase

Course Description

The "Database Dbclass" is an in-depth and meticulously structured online course that spans over 17 hours and 34 minutes. With a remarkable average rating of 5 out of 5 stars, this course is highly regarded among learners. It falls under the Information Technology category, specifically focusing on the subcategory of Databases.

The course begins with an introduction that sets the stage for a comprehensive learning experience about databases. It covers a diverse array of crucial subjects necessary for anyone looking to specialize in database technologies.

Starting with the relational model, the course delves into the principles of querying relational databases, introducing learners to the foundational aspects of database interaction. From there, it transitions into topics related to XML, such as well-formed XML structures, DTDs, IDs, IDREFs, and XML Schema, ensuring learners have a robust understanding of XML-based data management.

The course also covers JSON, presenting an introduction and a practical demonstration to help students become adept at handling JSON data formats. This is followed by an exploration of relational algebra, foundational for understanding database operations and optimizations.

SQL is a significant component of the course, starting with an introduction to SQL and covering various essential aspects such as basic select statements, subqueries, aggregation, handling null values, and data modification statements. The inclusion of join operators further equips students with necessary skills for efficient data handling.

Building on these basics, the course delves into relational design and theory, discussing functional dependencies, Boyce-Codd Normal Form (BCNF), and multivalued dependencies, as well as exploring the shortcomings and advancements beyond BCNF and 4NF.

Additionally, XPath, XQuery, and XSLT are covered, providing learners with the tools to query and transform XML data effectively. UML data modeling and the transition from UML to relational schemas are also essential parts of the curriculum.

Indexing, transactions, and their properties, including isolation levels, are critical database performance and integrity topics discussed in the course. Constraints, referential integrity, and triggers are covered, with practical demos to solidify the concepts.

The course also addresses defining and using views, view modifications, and materialized views, ensuring students understand how to optimize database queries and performance. Topics such as authorization, recursive queries, OLAP, and NoSQL provide a rounded understanding of advanced database concepts and emerging technologies.

The course concludes with midterm exam solutions, a final exam review, and office hours sessions, providing learners with opportunities to clarify doubts and reinforce their understanding.

Overall, the "Database Dbclass" is a comprehensive program that equips learners with the theoretical knowledge and practical skills required to excel in the field of database management and technology.