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Questions and Answers
What is the primary function of a database interface in a NoSQL data service?
What is the primary function of a database interface in a NoSQL data service?
What is the term commonly used to describe a database interface?
What is the term commonly used to describe a database interface?
What type of NoSQL database is MongoDB classified as?
What type of NoSQL database is MongoDB classified as?
What is the primary advantage of using a NoSQL database?
What is the primary advantage of using a NoSQL database?
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What is the name of the instructor teaching the course on Medical Distributed Application Development?
What is the name of the instructor teaching the course on Medical Distributed Application Development?
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What is the title of the course being taught by Hisham Arafat Shehata?
What is the title of the course being taught by Hisham Arafat Shehata?
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What is the primary focus of the course agenda?
What is the primary focus of the course agenda?
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What is the name of the university where Hisham Arafat Shehata is an Adjunct Instructor?
What is the name of the university where Hisham Arafat Shehata is an Adjunct Instructor?
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What is the title of the lab practice in the course agenda?
What is the title of the lab practice in the course agenda?
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What is the term used to describe the simple building blocks in a NoSQL database?
What is the term used to describe the simple building blocks in a NoSQL database?
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What is the role of Hisham Arafat Shehata in addition to being an instructor?
What is the role of Hisham Arafat Shehata in addition to being an instructor?
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Study Notes
SQL, NoSQL, and NewSQL
- SQL, NoSQL, and NewSQL are different types of databases
- NoSQL databases can be classified into four types: Columnar Database, Key-Value Stores, Document Stores, and Graph Database
MongoDB
- MongoDB is a NoSQL, open source, document-oriented database designed for scalability and developer agility
- It stores data in JSON-like documents with dynamic schemas (schema-free, schemaless)
- MongoDB bridges the gap between key-value stores (fast and scalable) and relational databases (rich functionality)
MongoDB Goals
- Horizontal scaling out
- Query Routers (mongos)
- Shard keys: range based sharding, cardinality, and avoiding hotspotting
Data Model
- BSON format (binary JSON) for storing data
- Lightweight, traversable, and efficient
- Easy to map to modern object-oriented languages without a complicated ORM layer
MongoDB Model
- A document is a single unit of data (like a tuple in RDBMS)
- A collection is a group of similar documents
- Each document in a collection must have a unique Id
- Field names cannot start with the $ character or contain the . character
MongoDB Architecture
- MongoDB is a distributed document database
NoSQL Data Services
- Document Datastores
- MongoDB Architecture
- Distributed Models in MongoDB
- Document Schemas and CRUD Operations
- Cloud Services for MongoDB
- Lab Practice – Working with MongoDB
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Description
This quiz covers NoSQL data services, including MongoDB, and types of NoSQL databases such as columnar databases and key-value stores. It's a part of the Medical Distributed Application Development course.