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2 cards from this section. Quick, good the night before a test.
What is the main purpose of indexing in databases?
Think about how books use an index.
Name one type of index.
Think about automatic versus user-defined.
What is the purpose of an index in a database?
Think of how a book index helps find information quickly.
True or False: Primary Key Indexes are created automatically.
Recall the definition of primary keys.
Given a table with millions of rows, analyze how different types of indexes might impact the performance of data retrieval and why one might choose to implement a custom index over a default primary key index.
Think about specific use cases for different types of data retrieval.
Write a detailed plan for indexing a database that is primarily used for reporting daily sales across multiple years of data. Which indexes would you create and why?
Prioritize fields that enhance the efficiency of high-frequency queries.
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