SQL Vs NSQL

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In the world of database technology, there are two main types of databases: SQL and NoSQL—or, relational databases and non-relational databases. The difference speaks to how they’re built, the type of information they store, and how they store it. Relational databases are structured, like phone books that store phone numbers and addresses.
Non-relational databases are document-oriented and distributed, like file folders that hold everything from a person’s address and phone number to their Facebook likes and online shopping preferences.
First, let’s take a look at one of the main features that separates these two systems: the way they structure data. A relational database—or, an SQL database, named for the language it’s written in, Structured …show more content…

In an SQL database like MySQL, Sybase, Oracle, or IBM DM2, SQL executes queries, retrieves data, and edits data by updating, deleting, or creating new records. SQL is a lightweight, declarative language that does a lot of heavy lifting for the relational database, acting like a database’s version of a server-side script. One particular advantage of SQL is its simple-yet-powerful JOIN clause, which allows developers to retrieve related data stored across multiple tables with a single command.
POPULAR SQL DATABASES AND RDBMS’S
• MySQL—the most popular open-source database, excellent for CMS sites and blogs.
• Oracle—an object-relational DBMS written in the C++ language.
• Sybase—a relational model database server product for businesses primarily used on the Unix OS, which was the first enterprise-level DBMS for Linux.
• MS SQL Server—a Microsoft-developed RDBMS for enterprise-level databases that supports both SQL and NoSQL architectures.
• Microsoft Azure—a cloud computing platform that supports any operating system, and lets you store, compute, and scale data in one …show more content…

Relation databases have a fraught connection with applications written in object-oriented programming languages like Java, PHP, and Python. NoSQL databases are more likely to ide-step this conflict through APIs, which enables developers to eliminate questions without having to understand or learn the repressed architecture of their database system.
COMMON TYPES OF NOSQL DATABASES
1. Key-value model—the least complex NoSQL option, which stores data in a schema-less way that consists of indexed keys and values. Examples: Cassandra, Azure, LevelDB, and Riak.
2. Column store—or, wide-column store, which stores data tables as columns rather than rows. It’s more than just an inverted table—sectioning out columns allows for excellent scalability and high performance. Examples: HBase, BigTable, HyperTable.
3. Document database—taking the key-value concept and adding more complexity, each document in this type of database has its own data, and its own unique key, which is used to retrieve it. Examples: MongoDB, CouchDB.
4. Graph database—have data that’s interconnected and best represented as a graph? This method is capable of lots of complexity. Examples: Polyglot,

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