Tag: The database

The code of life

2. Groups of replication technology architecture | management.but MGR

February 5, 2024

by Gillian Patterson

No Comments

> < p style = "max-width: 100%; clear: both; min-height: 1em; The traditional master-slave replication approach is to perform data update transactions on the master...

Read More

Artificial intelligence (ai)

Feature Engineering: A Practical Guide Based on OpenMLDB

February 4, 2024

by Hazel Sims

No Comments

In the previous article series (Feature Engineering in Depth -- A Practical Guide based on OpenMLDB (Part 1)), we introduced the basic concept of feature...

Read More

The code of life

Deploy GreatSQL in Docker and build MGR cluster

February 4, 2024

by Bailey McNabb

No Comments

* GreatSQL community original content is not allowed to use without authorization, please contact xiaobian and indicate the source. In order to provide community user...

Read More

The code of life

Take a quick look at IBD data file parsing

February 4, 2024

by Thomas Hutchinson

No Comments

Introduction: Database technology enthusiast. * GreatSQL community original content is not allowed to use without authorization, please contact xiaobian and indicate the source. This is...

Read More

PostgreSQL on ECS SLA flow replication standby library + second-level snapshot +PITR+ Automatic clearing

February 4, 2024

by Christine Ross

No Comments

Ali Cloud, deployment, physical mirroring, stream replication, snapshot backup, backup verification, and automatic clearing Background This section describes how to implement a PostgreSQL environment in...

Read More

The development tools

DolphinDB and TimescaleDB performance comparison test report in time series database

February 4, 2024

by Paige Duncan

No Comments

Dolphindb is an analytical, distributed, high-performance sequential database written in C++. It uses a columnar memory engine with high throughput and low latency. It incorporates...

Read More

PolarDB for PostgreSQL kernel Interpretation: INTRODUCTION to HTAP architecture

February 4, 2024

by 張佳穎

No Comments

Introduction: Based on PolarDB storage computing separation architecture, we developed shared storage based MPP architecture with HTAP capability, supporting two sets of execution engines for...

Read More

02 | LevelDB SSTable file data layout

February 4, 2024

by Shlok Sridhar

No Comments

Formatting means that a disk is divided and managed according to certain rules. The metadata information is stored on the disk. When data needs to...

Read More

Exploit the CouchDB unauthorized access vulnerability to execute arbitrary system commands

February 4, 2024

by Sahil Sarma

No Comments

On May 16, Ali Cloud Shield attack and defense team learned from external channels that CouchDB database has unauthorized access vulnerability (in the case of...

Read More

Artificial intelligence (ai)

ECCV2018 – Shang Tang – Face recognition without label data to improve the recognition rate

February 4, 2024

by Akarsh Ahluwalia

No Comments

Face recognition is an area of computer vision that has seen significant progress in recent years, thanks to the growing power of deep learning to...

Read More

04 | LevelDB Version of Version control

February 4, 2024

by 謝飛

No Comments

Version records LevelDB metadata. LevelDB metadata is managed by Version control. A Version is a complete set of metadata records. Why did LevelDB introduce version...

Read More

Normal index and unique index, can’t tell the difference

February 4, 2024

by Hayley Price

No Comments

Learn when to use a normal index and when to use a unique index. Distinguish the applicable scenarios of the two indexes, and learn the...

Read More

Ramble on Web caching architecture

February 4, 2024

by Gemma Barnett

No Comments

At present, the core data of Web applications are usually stored in the database, such as user information, order information, transaction information, etc. At the...

Read More

Sorting and optimization of distributed database

February 4, 2024

by 楊冠霖

No Comments

At present, there are many distributed database architectures, but the overall architectures are not different. The main components all include coordination nodes, data sharding, metadata...

Read More

03| LevelDB中的Memtable

February 4, 2024

by Dr. Carol Jones

No Comments

Let's take a look at how Memtable organizes and stores data. Memtable is a KV storage structure, so this Key is a Key, we need...

Read More

Huang Dongxu: Thinking about the value of basic software products

February 4, 2024

by Donna Morgan

No Comments

I haven't written anything for a long time, just take advantage of the Spring Festival post-holiday syndrome to warm up by writing articles. I remember...

Read More

MySQL fuzzy query no longer needs like+%!

February 4, 2024

by Judith Smith-Potter

No Comments

We all know that InnoDB's use of "%xx" in fuzzy queries results in index invalidation, but this is sometimes the case. There are many other...

Read More

Chapter 8: Use interceptors to log your SpringBoot requests

February 4, 2024

by Lorraine Skinner

No Comments

Request log is almost a necessary module for all large enterprise projects. Request log is used for troubleshooting, request diversion processing, traffic limitation and so...

Read More

Batch operation of ContentProvider

February 4, 2024

by Dr. Ian Little

No Comments

ContentProvider is one of the core components of the Android system. It encapsulates the data access interface, and the underlying data is generally stored in...

Read More

The Android Architecture Components article is enough

February 4, 2024

by Dr. Nathan Matthews

No Comments

Android Architecture Components is a set of solutions that Google released at Google I/O 2017 to help developers solve Android Architecture design. Libraries: A collection...

Read More

Shiro article 3 [Authorization, Custom REAML Authorization]

February 4, 2024

by Rhys Bruce-Griffin

No Comments

Shiro's authorization process is the same as Shiro's authorization process :Shir. Shiro's authorization process is the same as Shiro's authorization process

Read More

MVVM data persistence (2) — use of ROOM

February 4, 2024

by 余家瑋

No Comments

In the last article, we introduced the meaning of MVVM persistence and the tool ROOM. Now we will introduce how to use it in our...

Read More

Database paradigm and anti-paradigm design is an art

February 4, 2024

by Krystal Mason-Duncan

No Comments

Nuggets is a community that helps developers grow. It's Hacker News for developers, Designer News for designers, and Medium for product managers. The technical articles...

Read More

Talk about the current mainstream NoSql database

February 4, 2024

by 欒俊傑

No Comments

Preface If there are problems in the article, please make comments to supplement. Thank you The mainstream Nosql I know is as follows: Redis mongoDB...

Read More

An SST import with Nebula Exchange on a standalone

February 4, 2024

by 徐柏翰

No Comments

In this article, I'll share a quick tour of the Nebula Exchange SST write mode in a minimal manner (standalone, containable Spark, Hadoop, Nebula Graph).

Read More

SQL operation statement summary (contents are recommended to read and recite ~)

February 4, 2024

by 袁惠如

No Comments

"This is the second day of my participation in 2022 first more text challenge, the details of the activity: 2022 first more text challenge" preface...

Read More

Design and practice of Hudi Bucket Index in Bytedance

February 4, 2024

by 樊龍

No Comments

Rfc-29 Bucket Index contributed by the Data Lake team of Bytedance data platform was recently integrated into Hudi main branch. This article will introduce the...

Read More

A tool that greatly simplifies the cache management of a single data model

February 4, 2024

by Miss Chloe Perry

No Comments

Sqlite is a common choice for many applications that require data caching during normal development. SXJDatabaseManager is developed using Runtime on the basis of FMDB....

Read More

Mariadb (SQL) Basic operations

February 4, 2024

by 王怡君

No Comments

Mariadb&mysql mariadb is not just an alternative to mysql, mysql has become the most popular mysql in the world

Read More

Exclusive reveal: SQL Sever AlwaysOn breakthrough in Ali Cloud

February 4, 2024

by 晏宇軒

No Comments

As early as 2015, with the rapid development of Ali Cloud business, SQL Server business has also accumulated a large number of loyal customers, some...

Read More