ORDA member methods to get the structure information
"How can I know the dataClass of an entity? I need it to write generic methods". "I need information about a field in a dataClass: what is its type? I...
May 28, 2019
1 min read
ORDA
Use Object Relational Data Access to model entities and relations with an object oriented approach. Centralize business logic inside dataclasses, apply lifecycle events and filters, and keep data rules consistent and scalable.
New 4D commands to work with encrypted data
In a previous post, we discussed how to get started with data file encryption. Now we're going to discuss an additional way to work with encrypted dat...
May 10, 2019
1 min read
ORDA – Genealogy – Episode Four (by request !)
In the first, second, and third episodes of this series, we demonstrated the power of ORDA and how simple it is to manage related persons with a singl...
October 1, 2018
1 min read
ORDA – Genealogy – Episode three
In the first and second episodes of this trilogy, we demonstrated the basics of ORDA using list boxes, entities, and entity selections. We also showe...
August 29, 2018
1 min read
ORDA – Genealogy – Episode two
In the first episode of this trilogy, we demonstrated the basics of ORDA using list boxes, entities, and entity selections. Today, we're going a bit d...
August 16, 2018
1 min read
ORDA – Genealogy – Episode one
We can all agree that ORDA is a great 4D V17 feature. A kind of revolution in the way of thinking and programming. 4D databases will never be seen the...
August 3, 2018
1 min read
Logical operations on entity selections
The ORDA series continues! In this blog post we'll see how to use logical operators on entity selections! These operations allow you to get intersect...
May 7, 2018
1 min read
Working with ORDA optimistic locking
4D v17 introduces ORDA, a major evolution in 4D which is opening a world of new possibilities for 4D developers. One of the benefits of using ORDA is ...
April 27, 2018
1 min read
Locking entities with ORDA
The ORDA series continues! In this blog post, we'll look at how you can use locks in your databases with ORDA concepts! It's not uncommon to need to m...
April 24, 2018
1 min read
ORDA: work with objects and collections
In this latest addition to the ORDA series, we'll look at how the new ORDA concepts can interact with existing objects and collections. In fact, it's ...
April 16, 2018
1 min read