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Relational database management systems (RDBMS) rely on an optimizer (or relational optimizer) that transforms SQL statements into executable code. Before any SQL statement can be run by the RDBMS, the ...

The heart of any relational database management system is the system catalog that documents the database objects and system settings being used. The system catalog offers a wealth of information about ...

DBeaver is a free, open-source, cross-platform SQL client and database administration tool. It is designed to support a wide variety of SQL and NoSQL databases, including MySQL and PostgreSQL. Its key ...

One way that organizations are storing data in the cloud is by moving their databases to the cloud. What once meant building an entire physical server, patching it, installing software like Microsoft ...

Microsoft broke new ground in scalability when it launched Azure SQL Database Hyperscale. Here's what it took to make Microsoft's hyperscale vision work with the existing Azure infrastructure. When ...

SQL Server 2016 and Azure SQL Database both give you tables that automatically keep track of changes to your data. Here's how to both create those tables and alter existing tables so they track the ...