Monthly Archives: February 2015

COUNT function and NULL values in T-SQL

Simple and basic rule: Except for COUNT, aggregate functions ignore null values (Source: https://msdn.microsoft.com/en-us/library/ms173454.aspx). Just remember this rule! But there is a catch to this simple rule. Especially with the COUNT function. Let us first provide a simple table and

Tagged with: , ,
Posted in Uncategorized

Following SQL Saturday Events

For all SQL Saturday enthusiast, I want to share this info with you. I will be speaking at: – SQL Saturday Pordenone (28. February 2015) – SQL Saturday Budapest (18. April 2015) – SQL Saturday Lisbon (16. May, 2015 More

Posted in Uncategorized

Speaking at SQL Saturday Pordenone 2015

Welcome to SQL Saturday Pordenone Event and I welcome you to take part at my session.

Posted in Uncategorized

Fifty Shades of R

One of many summaries of the book – Fifty Shades of Grey in R Code. library(colorspace) par(bg=”thistle”) fiftyShades { n plot(10, 5, type=”n”, xlim = c(0, 1), ylim = c(0, 1), axes = FALSE, xlab=”Fifty Shades of Grey”, ylab =

Tagged with:
Posted in Uncategorized

Valentine’s Day with R

Playing with ggplot2 library in R and produce some handy things useful on Valentine’s day. Flower: library(ggplot2) Valentine =function(x) 1-cos(x) opt=theme(legend.position=”none”, panel.background = element_rect(fill=”white”), panel.grid = element_blank(), axis.ticks=element_blank(), axis.title=element_blank(), axis.text =element_blank() ) ggplot(data.frame(x = c(2, 10*pi)), aes(x)) + stat_function(fun=Valentine, geom=”density”,

Posted in Uncategorized
Categories
Follow TomazTsql on WordPress.com
Programs I Use
Programs I Use
Programs I Use
Rdeči Noski – Charity

Rdeči noski

100% of donations made here go to charity, no deductions, no fees. For CLOWNDOCTORS - encouraging more joy and happiness to children staying in hospitals (http://www.rednoses.eu/red-noses-organisations/slovenia/)

2 EUR

Top SQL Server Bloggers 2018
Discover

A daily selection of the best content published on WordPress, collected for you by humans who love to read.

Revolutions

Tomaz doing BI and DEV with SQL Server and R

tenbulls.co.uk

attaining enlightenment with sql server, .net, biztalk, windows and linux

SQL DBA with A Beard

He's a SQL DBA and he has a beard

Reeves Smith's SQL & BI Blog

A blog about SQL Server and the Microsoft Business Intelligence stack with some random Non-Microsoft tools thrown in for good measure.

SQL Server

for Application Developers

Clocksmith Games

We make games we love to play

Business Analytics 3.0

Data Driven Business Models

SQL Database Engine Blog

Tomaz doing BI and DEV with SQL Server and R

Search Msdn

Tomaz doing BI and DEV with SQL Server and R

R-bloggers

Tomaz doing BI and DEV with SQL Server and R

Ms SQL Girl

Julie Koesmarno's Journey In Data, BI and SQL World

R-bloggers

R news and tutorials contributed by (750) R bloggers

Data Until I Die!

Data for Life :)

Paul Turley's SQL Server BI Blog

sharing my experiences with the Microsoft data platform, SQL Server BI, Data Modeling, SSAS Design, Power Pivot, Power BI, SSRS Advanced Design, Power BI, Dashboards & Visualization since 2009

Grant Fritchey

Intimidating Databases and Code

Madhivanan's SQL blog

A modern business theme

Alessandro Alpi's Blog

SQL Server, Azure and .net in a nutshell :D

Paul te Braak

Business Intelligence Blog

Sql Server Insane Asylum (A Blog by Pat Wright)

Information about SQL Server from the Asylum.

Gareth's Blog

A blog about Life, SQL & Everything ...

SQLPam's Blog

Life changes fast and this is where I occasionally take time to ponder what I have learned and experienced. A lot of focus will be on SQL and the SQL community – but life varies.

William Durkin

William Durkin a blog on SQL Server, Replication, Performance Tuning and whatever else.