Category: Databases

Neo4j & Cypher #3 UNION & WITH clasuse

Today’s post is going to be super easy, especially if you’re familiar with SQL, so without much explanation let’s discuss a little bit about two clauses that you might spot later in my Neo4j & Cypher series – Union and...

Neo4j & Cypher #2 Creating complex query

In the previous post, we explored Neo4j dataset containing actors and movies. We also got familiar with basics of Cypher – declarative query language created for graph databases. In today’s post, we’ll find out how to create a more complex...

Introduction to graph databases

Almost all my career I’ve spent with relational databases (later called RDB) and more precisely SQL Server. Honestly, I’ve never complained about that. It works fine, integrating with object languages is very quick since we’ve got a lot of different...

DevReview #9 O LINQ z Rafałem Hryniewskim

Przy okazji konferencji PolCaster 2016 (na której byłem w zeszłym roku) usłyszałem dość interesującą informację, a mianowicie: statystycznie podcast kończy się po 7/8 odcinku. Później następuje wypalenie, lub brak pomysłów i bum…koniec. O ironio mój podcast również przez chwile mógł...

Func<‌T> vs. Expression<‌Func<‌T>>

A few days ago I was playing with Entity Framework when suddenly an Exception popped out on the screen:   Additional information: LINQ to Entities does not recognize the method ‚System.String GetFullName(User)’ method and this method cannot be translated into...

SQL Server – Table partitioning

Couple days ago my friend during a job interview was asked to explain the concept of table partitioning in SQL Server. Tough one? To be honest, neither he nor I had never heard about that. After few hours of learning,...