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PostgreSQL on Kubernetes

PostgreSQL on Kubernetes

First released in 1997, PostgreSQL is in its twenties—quite something in the fast-paced software industry. Despite its age, PostgreSQL is the second most-used relational database system in the world, and has won (for the second consecutive time) the DBMS of the...
Transaction Isolation Levels In Microsoft SQL Server

Transaction Isolation Levels In Microsoft SQL Server

SQL transactions can feel like magic at first: they seem to enable a giant Ctrl-Z/undo on data access. Nevertheless, concurrency issues still exist when multiple queries happen at the same time, and you must wield the mighty TRANSACTION ISOLATION LEVEL to vanquish...
Transactions in Global InterSystems IRIS

Transactions in Global InterSystems IRIS

InterSystems IRIS supports a unique data structure, called globals, for information storage. Essentially, globals are persistent arrays with multi-level indices, having several extra capabilities—transactions, quick traversal of tree structures, and a...
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