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A Composite Index combines two or more columns into a single index to speed up queries filtering or sorting by multiple fields. Column order matters, and the index supports queries starting with the leftmost column(s).
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A Primary Index is an automatic, unique index created on a table's primary key for fast data retrieval. It ensures quick lookups, enforces uniqueness, and boosts performance in relational databases.- Published on
Compare XML vs JSON data formats. Learn key differences, use cases, performance, and which format to choose for your web application with practical examples and expert insights.- Published on
Learn the key differences between batch processing and stream processing. Discover when to use each data processing method with real-world examples and use cases for optimal performance.- Published on
A Clustered Index controls the physical order of data in a table, making range queries and sorting extremely fast. It organizes rows on disk by the index key and is usually the primary key, with only one clustered index allowed per table.