Structured Query Language (SQL) is a standardized programming language that is used to manage relational databases and perform various operations on the data in them. Initially created in the 1970s, ...
JSON has stolen some of XML's thunder with features such as human and machine readability, a lightweight, compact text structure and support for many software and hardware platforms. JSON (JavaScript ...
An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to the database engine since its inception. Database engines like SQL Server are incredibly complex ...
Data platforms make decisions all day. An SQL query keeps the rows over a threshold, matches a keyword, and joins two tables ...
Cloud database indexing improves query performance and helps backend teams build reliable systems that scale under production ...
The theme for this time is SQL "execution plans."Execution plans are one of the technologies you absolutely must understand when considering database performance.However, this content might also be a ...
Azure SQL Data Warehouse is a managed Data Warehouse-as-a Service (DWaaS) offering provided by Microsoft Azure. A data warehouse is a federated repository for data collected by an enterprise's ...
3. DBAs get Oracle Database-style security controls. So Oracle Big Data SQL opens up table-based access to the data in Hadoop, but with access comes risk. Thus, Oracle gave this feature a way to apply ...
Here's a look at different ways to query Hadoop via SQL, some of which are part of the latest edition of MapR's Hadoop distribution SQL: old and busted. Hadoop: new hotness. That’s the conventional ...