The ease and ubiquity of SQL have even led the creators of many “ NoSQL ” or non-relational data stores, such as Hadoop, to adopt subsets of SQL or come up with their own SQL-like query languages.

In contrast, Continuous SQL queries ceaselessly process results to a “sink” of some type. The SQL statement is interpreted and validated against a schema. The statement is then executed, and the ...

Joey on SQL Server Understanding Dirty Reads: What NOLOCK Does to Your Queries Let's break down when it's ideal to use the NOLOCK hint and when you should never use it. By Joey D'Antoni 01/21/2022 ...

Ahana Cloud for Presto turns a data lake on Amazon S3 into what is effectively a data warehouse, without moving any data. SQL queries run quickly even when joining multiple heterogeneous data sources.

There are several types of SQL injection, but they all involve an attacker inserting arbitrary SQL into a web application database query. The simplest form of SQL injection is through user input.

Denny's SQL Secrets Troubleshoot Slow-Running Queries In SQL Server Denny breaks down how to identify and fix speed issues in multiple versions of SQL Server. By Denny Cherry 12/11/2013 ...

Structured Query Language (SQL) is a proven winner that has dominated for several decades and is currently being aggressively invested in by big data companies and organizations such as Google ...