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Query Language

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政采云技术
政采云技术
Jan 4, 2024 · Databases

Introduction to Dgraph and Graph Databases: Concepts, Installation, and Applications

This article introduces graph databases, explains Dgraph concepts and installation via Docker, details Dgraph4j Java client usage including schema setup, querying, mutations, and data monitoring, and explores applications such as equity relationship analysis and data visualization.

DgraphJava ClientNoSQL
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Introduction to Dgraph and Graph Databases: Concepts, Installation, and Applications
Kuaishou Big Data
Kuaishou Big Data
Feb 14, 2023 · Big Data

How OAX Revolutionizes Open Analysis in Kuaishou’s Data Platform

This article introduces OAX (Open Analysis eXpressions), Kuaishou’s unified open‑analysis language, detailing its design background, guiding principles, five‑layer language model, syntax—including data types, compute capabilities and five analysis elements—its access protocol, runtime architecture, optimization steps, and the benefits it brings to the company’s big‑data analytics ecosystem.

Big DataOAXOpen Analysis
0 likes · 19 min read
How OAX Revolutionizes Open Analysis in Kuaishou’s Data Platform
IT Xianyu
IT Xianyu
Mar 3, 2022 · Databases

Introducing SPL: An Open‑Source Structured Data Processing Language with Full SQL‑92 Capabilities

SPL is an open‑source structured data processing language that extends full SQL‑92 functionality to a wide range of data sources—including CSV, Excel, JSON, NoSQL and Hadoop—allowing developers to perform complex queries, multi‑step calculations, and mixed‑source analytics without a traditional relational database.

Big DataQuery LanguageSPL
0 likes · 14 min read
Introducing SPL: An Open‑Source Structured Data Processing Language with Full SQL‑92 Capabilities
php中文网 Courses
php中文网 Courses
Aug 4, 2021 · Databases

SQL Quick Start Course Overview

The SQL Quick Start Course introduces beginners to Structured Query Language, covering data insertion, querying, updating, deletion, schema creation, modification, and access control, and provides an online learning link and QR code for immediate access.

BeginnerDatabaseQuery Language
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SQL Quick Start Course Overview
Aikesheng Open Source Community
Aikesheng Open Source Community
Aug 24, 2020 · Operations

Prometheus Data Query Basics and Practical Usage Guide

This article introduces Prometheus' query language PromQL, explains instant and range vector selectors, label matching, offset handling, storage design, common functions and aggregation operators, and provides practical advice for efficient querying and avoiding performance issues.

Query Languagemonitoringoperations
0 likes · 13 min read
Prometheus Data Query Basics and Practical Usage Guide