The free embedded database LMDB has reached version 1.0. It relies on memory mapping and MVCC for fast, transaction-safe data ...

FlureeDB acts as a secure context layer fit for autonomous systems: pull from many data sources wherever they live, answer structured queries fast and efficiently, carry citations and lineage on every ...

Abstract: We have developed log-based recovery for middleware servers that access back-end transaction systems (DBMSs). Transactional consistency is provided between in-memory state stored in ...

This will create a file, sfclogs.txt, on your desktop. Double-click on it to open the file with Notepad and read the file. You will see “SR” written in front of every transaction. This means all the ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The SQL specification defines four transaction isolation levels, although a fifth transaction ...

Changes that are made to an availability group database on the primary replica (such as `INSERT`, `UPDATE`, and `DELETE`) are written to the transaction log and sent to the availability group ...

Banks are in the midst of a digital transformation, yet a fundamental issue remains: sometimes customers struggle to make sense of their own transactions. Cryptic transaction descriptions, missing ...

At its re:Invent conference, Amazon’s AWS cloud computing unit today announced Amazon Aurora DSQL, a new serverless, distributed SQL database that promises high availability (99.999% for multi-region ...