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SQL is a domain-specific language used in programming and designed for managing data held in a relational database management system (RDBMS), or for stream processing in a relational data stream management system (RDSMS). It is particularly useful for handling structured data, i.e. data incorporating relations among entities and variables. SQL offers both a data definition language (DDL) and a data manipulation language (DML). The scope of SQL includes data insert, query, update and delete, schema creation and modification, and data access control.
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Achieve up to 1.7 times higher write throughput and 1.38 times better price performance with Amazon Aurora PostgreSQL on AWS Graviton4-based R8g instances | AWS Database Blog
In this post, we demonstrate how upgrading to Graviton4-based R8g instances with Aurora PostgreSQL-Compatible 17.4 on Aurora I/O-Optimized cluster configuration can deliver significant price-performance gains – delivering up to 1.7 times higher write throughput, 1.38 times better price-performance and reducing commit latency by up to 46% on r8g.16xlarge instances and 38% on r8g.2xlarge instances as compared to Graviton2-based R6g instances.
MySQL vs PostgreSQL vs SingleStore Performance in Docker
When it comes to handling large-scale, real-time data, not all SQL databases are created equal. In our Dockerized benchmark, SingleStore consistently outperformed MySQL and PostgreSQL across common query patterns in fintech and analytics applications.
dbi Blog
Introduction The arrival of SQL Server 2025 introduces the Standard Developer edition, allowing companies to deploy across all development, quality and testing environments using an edition equivalent to the Standard Edition without having to pay the associated licensing fees. Here are the different editions available in SQL Server 2025: What problem does this solve? Some […]
MySQL Hypergraph Optimizer - lefred blog: tribulations of a MySQL Evangelist
During the last MySQL & HeatWave Summit, Wim Coekaerts announced that a new optimizer is available and is already enabled in MySQL HeatWave. Let's have a quick look at it and how to use it. The first step is to verify that Hypergraph is available: MySQL > SET SESSION optimizer_switch='hypergraph_optimizer=on';…
How to configure a Linked Server between Amazon RDS for SQL Server and Teradata database | AWS Database Blog
In this post, we demonstrate how to configure a linked server between Amazon RDS for SQL Server and a Teradata database instance. We guide you through the step-by-step process to establish this connection and show you how to verify its functionality.
MySQL vs PostgreSQL vs SingleStore Performance in Docker
When it comes to handling large-scale, real-time data, not all SQL databases are created equal. In our Dockerized benchmark, SingleStore consistently outperformed MySQL and PostgreSQL across common query patterns in fintech and analytics applications.
dbi Blog
For a recent project at one of our customers we needed to get data from a Db2 database into PostgreSQL. The first solution we thought of was the foreign data wrapper for Db2. This is usually easy to setup and configure and all you need are the client libraries (for Db2 in this case). But […]