Appunti degli studenti per corsi ed esami del Prof. Brambilla Marco

The whole file is in English IT: Questo file contiene il appunti delle slide integrati con delle note prese a lezione di tutti i capitoli del corso di System and Method for Big and Unstructured Data (Magistrale Ingegneria Informatica) del professor Brambilla (AC 2021/2022). Inoltre sono integrati alcune note prese dalle domande degli esami passati EN: This file contains the notes of the slides integrated with the notes taken in class of all the chapters of the System and Method for Big and Unstructured Data course (Master's degree in Computer Engineering) by Professor Brambilla (AC 2021/2022). Also integrated are some notes taken from past exam questions Argomenti / Topics: 1. Big Data 2. Toward NoSQL (5) 2.1. Transactional Properties 2.2 Cap Theorem 5 2.3 No-SQL World 2.4 Acid VS Base Properties 3. Data Ingestion: API 7.1 How to expose API 7.2 Some Problem 4. Graph Databases - Neo4J (6) 3.1 Neo4j 4. Key Value Database - Redis (8) 4.1 Caching Purpose - MemCached 4.2 Redis 4.2.1 Redis Features The main characteristic of Redis are: 4.2.2 Redis Topologies 5. Document Databases - MongoDB (7) 5.1. Sharding 6. IR Based Databases - Elastic ELK (10) 6.1 ElasticSearch 6.1.1 Score Function 6.1.2 Mapping 6.1.3 Analyzer 6.1.4 Shard 6.2 Query 8. DataWareHouse and SnowFlake 8.1 Data Warehouse Models 8.2 SnowFlake Software 9. Columnar Databases - Cassandra 9.1 Cassandra Data Model 9.2 Decentralized Cassandra and Server Mapping 9.3 Cassandra Operations 9.4 Some notes from Exercise Session 10. Spark 10.1 Importing Data 11. Hadoop & HDFS 11.1 HDFS 11.1.1 HDFS Architecture 11.2 Map Reduce