This lecture covers the storage layer in database management systems, including disks, flash disks, buffer management, and the storage hierarchy. It also delves into the internals of modern disks, disk space management, flash disks, and the B+ tree indexing structure for efficient data retrieval.
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Covers data science tools, Hadoop, Spark, data lake ecosystems, CAP theorem, batch vs. stream processing, HDFS, Hive, Parquet, ORC, and MapReduce architecture.