(Christian Nagel) In part 1 of this article series Dependency Injection was covered – one of the features of the Host class. This article shows another aspect that’s needed by nearly every application: configuration.
Other News
Datafile in a PDB added but not backed up
(Hemant K Chitale) (I think I’ve covered this with a pre-12c non-PDB example earlier, but this demo is with a 12c PDB)
An Introduction to the io_uring Asynchronous I/O Framework
(Bijan Mottahedeh) This blog post is a brief introduction to the io_uring asynchronous I/O framework available in release 6 of the Unbreakable Enterprise Kernel (UEK).
Redo Copy Latch Contention 2: MTTR Advisor
(Nenad Noveljic) In the previous blog post I showed how a DML can hold a redo copy latch for a very long time if private strands aren’t used. Since recursive statements during logon bypass private strands, this can cause serious latch wait cascades.
TornadoVM: Accelerating Java with GPUs and FPGAs
(Juan Fumero) Last March, I gave a talk at QCon-London about TornadoVM, where I provided an introduction to TornadoVM and explained how it works.
Upload files to ADLS Gen2
(James Serra) I discover a small new feature the other day, but a very useful one. Previously, there was no way to upload files to an ADLS Gen2 storage account via the Azure portal.
Db2 12 for z/OS Function Level 507
(Craig S. Mullins) This month, June 2020, IBM introduced a new function level, FL507, for Db2 12 for z/OS. This is the first new function level this year, and the first since October 2019.
Indexing
Indexing is used to optimize database performance by minimizing the number of disk access required when processing queries. An index is a kind of data structure. Used to quickly find as well as access data in a database table. Index structure Indexes can be created using some database columns. The first column of the database is a search key that...
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How to Write a 3D Modeling Application in JavaScript
(Gary.Miller.WPF) Subsurfer is a 3D modeling application written in JavaScript using the HTML5 Canvas control and WebGL. It implements the Catmull-Clark subdivision surface algorithm.
How to Attach a SQL Server Database without a Transaction Log and with Open Transactions
(Daniel Farina) You want to attach a SQL Server database that does not have the transaction log file and you get the following error when you try to attach the data file: