Relational calculus. Query processing and optimization. Transaction processing: failure, recovery, and concurrency. Database security. Logic-based systems. Parallel ...

Available as a separately licensed option for Oracle Database 11g Enterprise Edition, Advanced Compression is a way of writing data to disk so that it takes up less space Available as a separately ...

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 ...

In this module we will take a deeper look into the internals of DBMS software to better understand how it works. We will examine the role of the DBA (Database Administrator), the Data Scientist, the ...

The introduction of transactions in MongoDB 4.0 represents possibly the most significant change in MongoDB's architecture since its original release. The lack of a transactional capability previously ...

The MongoDB 4.0 release introduced multi-document transactions to the popular open source NoSQL DB. The lack of a transactional capability has been a key limiting factor in MongoDB uptake, so it’s not ...

There isn’t a week that goes by that I don’t hear or read about an organization seeing ginormous transaction log (.ldf) files, while the associated data (.mdf) file is at the size it should be when ...