Some great cheat sheets to help you navigate and use RStudio from https://www.rstudio.com/resources/cheatsheets/
RStudio IDE is the most popular integrated development environment for R.
Data Visualization using the ggplot2 package lets you make beautiful and customizable plots of your data
There are many more cheat sheets.
Chaos, complexity, curiosity and database systems. A place where research meets industry
Welcome
Passionately curious about Data, Databases and Systems Complexity. Data is ubiquitous, the database universe is dichotomous (structured and unstructured), expanding and complex. Find my Database Research at SQLToolkit.co.uk . Microsoft Data Platform MVP
"The important thing is not to stop questioning. Curiosity has its own reason for existing" Einstein
"The important thing is not to stop questioning. Curiosity has its own reason for existing" Einstein
Thursday, 14 January 2016
Tuesday, 12 January 2016
Free ebook: Introducing Microsoft SQL Server 2016
There is a new free ebook Introducing Microsoft SQL Server 2016: Mission-Critical Applications, Deeper Insights, Hyperscale Cloud, Preview Edition.
The chapters released so far are
Better Security
Improved database engine
Better reporting
The chapters released so far are
Better Security
Improved database engine
Better reporting
Friday, 1 January 2016
What is DevOps
Came across this article and great graphic on DevOps.
http://ed-baker.com/demystifying-devops-behaviours/
Culture and continuous delivery with the DevOps Fundamentals Series
DevOps is a culture shift for businesses and enables them to achieve faster and higher quality software with increased customer satisfactions. The DevOps culture at a high level involves people, processes, and products (in this order). It requires development, testing, operations, business, and other teams to work together, efficiently, to deliver better and faster results to customers
http://ed-baker.com/demystifying-devops-behaviours/
Culture and continuous delivery with the DevOps Fundamentals Series
DevOps is a culture shift for businesses and enables them to achieve faster and higher quality software with increased customer satisfactions. The DevOps culture at a high level involves people, processes, and products (in this order). It requires development, testing, operations, business, and other teams to work together, efficiently, to deliver better and faster results to customers
Sunday, 6 December 2015
SQL Server in the Cloud Options
There are many SQL Server choices available to us as
database architects. This diagram shows the Microsoft database stack available
choices and the business drivers that affect the choice of cost versus administrative
overhead.
An article SQL Server in Azure: Compare PaaS (SQLDB) andIaaS (Virtual Machine)
explains in more depth about the cloud options of SQL
Server in Azure (IaaS) and Azure SQL Database. Igor Pagliai included this useful
table.
Topic
|
Azure
SQLDB (PaaS) |
SQL
Server VM (IaaS) |
| Features | Less features than box | Full box product features |
| Performances | Max 1750 DTU in Premium Tier | Depends on VM SKU/Storage |
| DB Size | Max 1TB in Premium Tier (P11) | 64TB on G-SERIES |
| Workload | Sizing by average usage | Sizing based on peaks |
| High-Availability | Built-in by platform |
Manual configuration by AlwaysOn AG |
| Fault-Handling | Necessary fault-handling & retry |
Recommended fault-handling & retry |
| Locality | No co-location with application | Co-located by VMs and VNETs |
| Segregation | Internet exposed endpoint |
Internal private endpoint |
| Versioning | No control on upgrades |
Full control over DB upgrade |
| TCO | Very low, almost self-managed | High (as on-premise) |
| Administration | No full-time DBA required | Full staffed DBA required |
| Management | Easy to manage many DBs |
Complex to manage many DBs/VMs |
| Scale-Out | Tools & Frameworks available | No easy scale-out |
| Configuration | No setup customization |
Full access to OS and SQL |
| Authentication | Only SQL standard authentication | SQL standard and integrated |
| Security | No Fixed IP available |
Fixed IP possible at VM level |
| Backup | Backup files not accessible | Full control of backup files |
Thursday, 3 December 2015
SQL Server 2005 End of Life
SQL Server 2005 end of extended support finishes 12 April 2016. This means no further hotfixes and support from Microsoft when things fail.
There is an excellent article highlighting some of the new features that can be utilized if you upgrade. Enhanced Security features are a must to consider.
The article is entitled:
What You Are Missing by Sticking with SQL Server 2005:
Data Architects Version
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