In database systems, indexes are used to make queries faster by helping the system find data quickly, similar to how a book index helps you find pages faster. However, the author says an index can still be “slow” when the database needs to do extra work after using the index. For example, if the query matches many rows or if the data is stored in different parts of memory, the database must open and read each row separately, which takes time. This idea connects to what I’ve learned in computer science and my experience with systems like SAP and MES, where performance depends not only on structure but also on how data is accessed. So, a “slow index” means the index works, but the process of fetching all the related data makes the query slower overall.
Part 1: Review and Reflect Learning Strategy One of my strengths is making and revising a study schedule. I am good at planning my time and organizing my tasks, which helps me stay on track. I also do well at finding the main idea and important details when I read. This skill helps me understand the most important parts of the material. However, I need to improve in a few areas. Taking notes is hard for me because sometimes I write too much or miss key points. I also struggle with outlining textbooks since I am not always sure what to include. Another challenge for me is answering multiple-choice questions. Sometimes I overthink the answers and doubt myself. Part 2: Preview Time Management Skills Link: https://docs.google.com/spreadsheets/d/1KNpOCEeEtB0whGXmduCl-BP1txBSaqMnxBG3fvfV-AE/edit?usp=sharing Part 3: Project Management Basics I watched three videos about project management. They helped me understand important concepts. The first video was about the basics of project man...
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