Last year, the project was reconstructed, and the system was switched to microservice architecture, and we also did some practice of sub-database and sub-table in...
Introduction: On March 2, Ali Cloud open source PolarDB enterprise architecture release conference, Ali Cloud database technology expert Meng Burong brought the theme of PolarDB...
Profile: Curve community signed alibaba open source CLA(Contribution License Agreement, Contribution License Agreement), formally holding hands with Aliyun PolarDB open source database community. Curve community...
Modify Data Elasticsearch Provides near-real-time data manipulation and search functions. By default, it takes about 1s (the time configured for the refresh interval) for data...
"OB Always Ask" is the latest interactive program launched by OceanBase, which provides detailed answers to a topic about distributed database every week. If you...
OceanBase database uses LSM Tree structure as the storage engine of the database. The data is divided into baseline data (SSTable) and incremental data (MemTable)....
An explicit TRANSACTION begins with a BEGIN TRANSACTION statement and ends with a COMMIT or ROLLBACK statement. BEGIN TRANSACTION increments @@TranCount by 1. BEGIN TRANSACTION...
Since the launch of OBQ [Q&A area], we have received questions from developers every day. Thank you for your interaction and support. Every question is...
The ORACLE Dataguard architecture synchronizes Redo or archive logs on a primary/secondary basis at the instance level of granularity. In An OceanBase cluster, there is...
Someone on FD discloses 0dayPOC of vBulletin, but does not provide the vulnerability analysis process. VBulletin is a leading forum program abroad, generally known as...
https://leetcode-cn.com/ Average salary: Department vs. Company: Compare the average salary of each department with the average salary of the company on each pay day (high...
Summary: This article will introduce the common data structures and their meanings in MDL systems, then discuss the acquisition mechanism and deadlock detection of MDL...
Chinese Academy of Sciences "Gait recognition" technology: Ai team joins Siri development team DeepMind to open new AI lab in Montreal Only camera + browser...
XSS stands for CrossSiteScripting. It is similar to SQL injection attacks, where SQL statements are used as user input to query/modify/delete data, whereas in XSS...
Cloud music recommendation and search services have a large amount of algorithm feature data, which needs to be stored in key-value format to provide online...
The Spark engine is widely used in data processing scenarios because of its powerful ecology and convenient programming interfaces. The Spark SQL module provides a...
Nacos is an open source registry and configuration center product launched by Alibaba in 2018 to help users' distributed micro-service applications with service discovery and...
Create project 2. Configure the IDEA data source. 2. Configure Spring data source 3. Spring note 4. MyBatis SpringBoot also provides a very convenient way....