MySQL Document Store (Oracle Code Warsaw 2018)

Copyright © 2015, Oracle and/or its affiliates. All rights reserved. |
Vittorio Cioe
MySQL Sr. Sales Consultant
vittorio.cioe@oracle.com
Oracle Code Warsaw 2018
MySQL 8.0
a Document Store with all the benefits of a
transactional RDBMS

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Copyright @ 2018 Oracle and/or its affiliates. All rights reserved.

Agenda
• Relational vs NoSQL databases
• MySQL Document Store: the solution
• Takeaways
• Demo

RDBMS & MySQL
Relational vs NoSQL databases

Relational Databases
Data Integrity
normalization
constraints (foreign keys, ...)
Atomicity, Consistency, Isolation, Durability
ACID compliant
transactions
SQL
powerfull query language

Schemaless
no schema design, no normalization, no foreign keys, no data types, ...
very quick initial development
Flexible data structure
embedded arrays or objects
valid solution when natural data can´t be
modeled optimally into a relational model
objects persistence without the use of any ORM - mapping object-oriented
JSON
close to frontend
native in JS
easy to learn
NoSQL or Document Store

How DBAs see data How Developers see data
{
"GNP" : 249704,
"Name" : "Belgium",
"government" : {
"GovernmentForm" :
"Constitutional Monarchy, Federation",
"HeadOfState" : "Philippe I "
} ,
"_id" : "BEL",
"IndepYear" : 1830,
"demographics" : {
"Population" : 10239000,
"LifeExpectancy" : 77.8000030517578
} ,
"geography" : {
"Region" : "Western Europe",
"SurfaceArea" : 30518,
"Continent" : "Europe"
}
}

DMBS or NoSQL ?
Why not both ?

The MySQL Document Store !
SQL is now optional !

A solution for all
34 / 112
Developers:
[✔] Schemaless or/and Schema
[✔] Rapid Prototyping/Simpler APIs
[✔] Document Model
[✔] Transactions
Operations:
[✔] Performance Management/Visibility
[✔] Robust Replication, Backup, Restore
[✔] Comprehensive Tooling Ecosystem
[✔] Simpler application schema upgrades
Business Owner:
[✔] Don’t lose my data = ACID transactions
[✔] Capture all my data = Extensible/Schemaless
[✔] Products On Schedule/Time to Market = Rapid Development

MySQL Document Store
the Solution
35 / 112

35 / 112

X DevAPI Connectors for
C++, Java, .Net, Node.js, Python, PHP
working with Communities
New MySQL Shell
Command Completion
Python, JavaScript & SQL modes
Admin functions
New Util object
A new high-level session concept that can scale from
single MySQL Server to a multiple server environment
Non-blocking, asynchronous calls follow common
language pat erns
Supports CRUD operations
37 / 112

MySQL Documents and Collections
• Collections are containers for documents
– These documents share a purpose
– Possibly share one or more indexes
– Each collection has a unique name
– Exists within a single schema
• Within a Collection you can
– Add(), Find(), Modify(), and Remove() - JSON documents
• Collections can be
– Create(), List(), Drop()

Operation Document Relational
Create Collection.add() Table.insert()
Read Collection.find() Table.select()
Update Collection.modify() Table.update()
Delete Collection.remove() Table.delete()
• Use SQL, CRUD APIs – Document (NoSQL) and Relational (SQL), or “All of the Above”
– All of this is in addition to the Classic APIs
MySQL X DevAPI included in Shell and Connectors

It relies on the proven MySQL InnoDB’s strength & robustness:
• innodb_flush_log_at_trx_commit = 1
• innodb_doublewrite = ON
• sync_binlog = 1
• transaction_isolation = REPEATABLE-READ | READ-COMMITTED | ...
We do care about your data!
MySQL Document Store is Full ACID
ACID transactions = Don’t lose my data

MySQL Shell 8.0.11+
MySQL
Server 5.7
MySQL 8.0
Upgrade Checker
Prompt Themes
Auto Completion
&
Command History
MySQL
Server 8.0
Document Store
X DevAPI
InnoDB ClusterSQL CLI
Output Formats
(Table, JSON, Tabbed)
Batch Execution
JavaScript
Python
SQL

MySQL Document Store: Architecture

MySQL X devAPI connector for:
• Java
 https://insidemysql.com/connector-j-8-0-11-the-face-for-your-brand-new-document-oriented-database/
• .NET
 https://insidemysql.com/introducing-connector-net-with-full-support-for-mysql-8-0/
• Node.JS
 https://insidemysql.com/introducing-connector-node-js-for-mysql-8-0/
• C++
 https://insidemysql.com/what-is-new-in-connector-c-8-0/
• Python
 https://insidemysql.com/using-mysql-connector-python-8-0-with-mysql-8-0/
• PHP
 https://insidemysql.com/introducing-the-mysql-x-devapi-php-extension-for-mysql-8-0/
• ODBC
 https://insidemysql.com/what-is-new-in-connector-odbc-8-0/
https://insidemysql.com/mysql-8-0-welcome-to-the-devapi/
Write application using X DevAPI

what do I gain ?
Takeaways

This is the best of the two worlds in one product !
Data integrity
ACID Compliant
Transactions
SQL
schemaless
flexible data structure
easy to start (CRUD)

Resources
Topic Link(s)
MySQL as a Document Store https://dev.mysql.com/doc/refman/8.0/en/document-store.html
MySQL Shell User Guide https://dev.mysql.com/doc/mysql-shell-excerpt/8.0/en/index.html
MySQL Shell Documentation https://dev.mysql.com/doc/dev/mysqlsh-api-javascript/8.0/
https://dev.mysql.com/doc/dev/mysqlsh-api-python/8.0/
X Dev API User Guide https://dev.mysql.com/doc/x-devapi-userguide/en/
X Plugin https://dev.mysql.com/doc/refman/8.0/en/x-plugin.html
MySQL Engineering Blog https://insidemysql.com/mysql-8-0-welcome-to-the-devapi/
https://insidemysql.com/mysql-document-store-crud-quick-start/
MySQL JSON Data Type https://dev.mysql.com/doc/refman/8.0/en/json.html
Blogs http://dasini.net/blog/2015/11/17/30-mins-avec-json-en-mysql/
http://dasini.net/blog/2015/11/30/json-et-colonnes-generees-avec-mysql
http://mysqlserverteam.com/tag/json/
http://mysqlserverteam.com/category/docstore/
22

Demo

js> session.createSchema('name')
js> use name
js> db.getCollections()
js> db.createCollection(‘myCollection')
js> db.getCollections()
js> db.myCollection.add({“param1":“value1", “param2":“value2”})
js> db.myCollection.find()
js> db.myCollection.find().limit(1)
js> db.myCollection.find("_id = '00005af018430000000000000002'")
js> db.myCollection.modify("_id = '1234'").set(“param",“value")
js> db.myCollection.remove("_id = '1234'")
js> session.startTransaction()
js> …
js> session.rollback()
MySQL Document Store demo “cheat sheet”
Create
Read
Update
Delete
Transactions

MySQL Document Store (Oracle Code Warsaw 2018)

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