eBook
A 3.4.4 Distributed databases (HL Only)
Explore distributed databases. Learn key features: concurrency control, consistency, partitioning, security, transparency, fault tolerance, global queries, replication, scalability. Understand ACID for...
eBook
A 3.4.3 Online analytical processing (OLAP) and data mining (HL Only)
Uncover hidden insights in massive datasets. This section explores key data mining techniques: classification, clustering, regression, association rules, sequential patterns, and anomaly detection. Learn...
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eBook
A 3.4.1 Different types of database (HL Only)
NoSQL, cloud, spatial, and in-memory databases suit diverse needs like e-commerce, GIS, managed services, real-time analytics, social media, and SaaS. Understanding these models is key. In the world of...
eBook
A 3.2.7 Denormalizing databases
Evaluate denormalizing databases. Normalization reduces redundancy, but denormalization speeds up read-heavy apps by reducing joins. This trade-off balances simpler queries with data redundancy risks....
eBook
B 2.4.5 Recursive algorithms Java (HL Only)
Become a recursion master! This section dives deeper into recursive programming, focusing on how to construct and trace simple, non-branching recursive algorithms in Java and Python. Sharpen your problem-solving...
eBook
A 3.2.4 Constructing tables
In relational databases, data is organised into tables. How these tables are structured and how they relate to each other is fundamental to the database's effectiveness. This section explores the principles...
eBook
A 3.2.3 Datatypes
A.3.2.3 covers data types in relational databases (e.g., INTEGER, VARCHAR). It emphasises the importance of data type consistency for accuracy and efficiency. Choosing the wrong type can cause data loss,...
eBook
B 2.4.3 Bubble Sort and Selection Sort in Python
Master the basics of sorting. This section explores two fundamental sorting algorithms: bubble sort and selection sort. Learn how to construct, trace, and implement these algorithms in Java and Python....
eBook
B 2.4.3 Bubble Sort and Selection Sort in Java
Master the basics of sorting. This section explores two fundamental sorting algorithms: bubble sort and selection sort. Learn how to construct, trace, and implement these algorithms in Java and Python....
Teachers start here
Unit planning
This guide empowers IB Computer Science teachers to craft robust unit plans, seamlessly weaving in IB philosophy and Approaches to Teaching and Learning (ATL). It champions inquiry-based learning to spark...