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Cloudflare CEO Matthew Prince has admitted that the cause of its massive Tuesday outage was a change to database permissions, ...

Tables within a database management system (DBMS) need primary keys and defined indexes in order for the DBMS to have the opportunity to provide good query performance. Without indexing, the worst ...

A question asked about data contained in two or more tables in a relational database. The relational query must specify the tables required and what the condition is that links them; for example, ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

After launching MySQL HeatWave in December, Oracle Corp. did not wait long to add enhancements to the database query accelerator and ratchet up the competitive pressure in the process. The company ...

Temporal database systems are designed to capture and manage data that varies over time, thereby accommodating historical and time‐sensitive information. These systems integrate temporal dimensions ...

Query compilation and execution form the critical backbone of database systems, where high-level queries are translated into efficient low-level machine code and then executed to retrieve data.

Database management system has become a part and parcel of the present corporate business ranging from ecommerce, retail chains, data mining and warehousing application etc. This paper deals with a ...

A database that maintains a set of separate, related files (tables), but combines data elements from the files for queries and reports when required. The concept was developed in 1970 by Edgar Codd, ...