Dhanushka Madushan
Senior Software Engineer at WSO2
Expertise: Computer science, web service integration, ESB, back end API development
Education: University of Moratuwa

Dhanushka Madushan is a senior software engineer for WSO2 with experience in web service integration, back end API development and ESB. Madushan has worked as a developer since 2015 and has previously served as a software engineer for Zeptolytics Ltd. He regularly writes about computer science for various technical blogs. Madushan holds a bachelor’s in computer science and engineering from the University of Moratuwa.   

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Image of an oak tree representing b-tree indexing
How Database B-Tree Indexing Works 
B-tree indexing organizes large volumes of data such that each node contains keys in ascending order, resulting in faster database searches. Here’s why this technique is important, how it’s used and how it works with SQLite.