在软件系统的演进过程中，随着业务规模扩大和架构复杂度提升，数据访问层往往最先变得“失控”。 我们不仅要面对 多种数据库（关系型、文档型、图数据库、宽列存储等），还必须同时适应 多种查询模型： •SQL 的 JOIN•文档数据库的嵌套与投影•图数据库 ...

Oracle’s Java team sat down with me last week for a fast-moving briefing on Java 25 and the broader direction of the platform. The headline: JDK 25 is an LTS release, the second on Oracle’s new ...

MongoDB for Cosmos DB supports the ability to query documents Query data by using Azure Cosmos DB for MongoDB. The Cosmos DB extension for DMT supports a SQL like query parameter. This feature brings ...

Database engine developer MongoDB has acquired Voyage AI in order to help enterprises reduce hallucinations in AI-powered applications. “With this acquisition, MongoDB will help deliver AI-powered, ...

Snapshot can be represent as creating pointers (equivalent to “hard links”) between special snapshot volume and live data. The snapshot process uses a copy-on-write strategy. As a result the snapshot ...

Building web services and documenting RESTful endpoints is no easy task, but testing RESTful APIs has always been a particularly sore point with Spring Boot and Java. Sure, you can test a GET ...

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Abstract: This paper discusses an extension of JSINQ, a JavaScript implementation of LINQ, to provide an ability to query MongoDB, a popular document-oriented NoSQL storage. In recent Web systems, it ...

Common database choices include open source solutions such as MySQL, PostgreSQL, and MongoDB. With AnyPresence JustAPIs, developers can easily build and deploy APIs on top of these databases, wherever ...

MongoDB does not have joins but sometimes we want references to documents in other collections. For this we have to use population. Population is the way of matching the specified paths in the ...