Ali database DevOps best practices
Enterprise is no longer strange, but now the industry is mainly focused on the development and operations of efficient collaboration and quick release, and as...
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Tag: sql
Logging OLAP: Use UDF in SQL, lambda function use case
January 17, 2024
by Dr. Kelly Bailey
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Abstract: The scene logging service has 20+ classes of SQL functions built in. For complex user business scenarios, such as using JSON to precipitate business...
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Alibaba’s next generation cloud analysis database AnalyticDB was selected into the Forrester cloud data warehouse quadrant
January 17, 2024
by Gina Harrell
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Recently, Global authoritative IT consulting firm Forrester released "The Forrester Wave: CloudData Warehouse Q4 2018" research report, Alibaba AnalyticDB successfully selected. Syntax standard, can be...
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TDSQL “Similar query tool MSQL+” was selected into VLDB paper
January 17, 2024
by Dale Bishop
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Author introduction: Wang Xiaoyu, a member of Tencent database TDSQL team, is currently involved in the development of TDSQL database kernel. MSQL+: A Plugin Toolkit...
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Android Architecture Components Part1:Room
January 17, 2024
by Krystal Mason-Duncan
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Android Architecture Components (AAC) was first released at GoogleI/O 2017, and after nearly a year of maintenance, the Google team has now released a stable...
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What are the PyCon 2018 presentations to watch?
January 17, 2024
by 陶承翰
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What is the latest PyCon information?
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A Theoretical Analysis of Modsecurity — A Discussion on WAF Bypass from the Defense Aspect (PART 1)
January 17, 2024
by Miraan Lad
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When it comes to WAF, in our security workers, or as a common white hat, it is very headache, because a lot of times, we...
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Osql: a unified SQL query engine
January 17, 2024
by 高郁婷
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Xiao O is a new analyst in OPPO. He met many like-minded colleagues in the company, which made him very happy. However, there is one...
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This section describes spark-core
January 17, 2024
by Mr. Denis Woodward
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Typically, the execution and output of a Driver Application is done through SparkContext. Before formally submitting the Application, you first need to initialize the SparkContext....
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High performance Mysql master/slave architecture replication
January 17, 2024
by Matthew Skinner
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1. Create a backup account in the Master database: each slave connects to the Master using the standard MySQL username and password. The user performing...
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Intensive reading of Handwritten SQL Compilers – Introduction to Grammar
January 17, 2024
by Benjamin Stevens
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Grammar describes the grammatical rules of a language, so it can be used not only in programming languages, but also in Chinese and English. Of...
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Race against time: Alibaba’s real-time big data technology is fully supporting double 11
January 17, 2024
by Samiha Gokhale
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December 13-14, by the cloud community and Alibaba Technology Association co-hosted the "2017 Alibaba Double 11 technology twelve lectures" successfully ended, focused on sharing the...
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Object Injection (RCE) caused by OQL in production implementation
January 16, 2024
by Robert Maddox
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0 x00 introduction a few days ago, a few prick silk Gao Shuai rich show me such a hole type: address: http://blog.emaze.net/2014/11/gemfire-from-oqli-to-rce-through.htm
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Spark data skew solution
January 16, 2024
by Madeleine Burton
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Expand an RDD flatMap and map each data item to multiple data items. Add a random prefix (for example, 10) to the key.
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1 5 Explore data
January 16, 2024
by Derek Armstrong
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Exploring the data sample Data Now that we know the basics, let's try it with more realistic data. I have prepared a sample data of...
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Quick ways to speed up JDBC
January 16, 2024
by Rasha Choudhury
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JAVA applications must fetch numbers from the database via JDBC, and sometimes we find that the database is not at all heavy and SQL is...
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Spark from zero to development (5) Introduction to Spark SQL
January 16, 2024
by 袁俊傑
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One use of Spark SQL is to execute SQL queries. Spark SQL can also be used to read data from an existing Hive installation. When...
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A new generation of database technology in double 11 black technology
January 16, 2024
by Susan Day
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December 13-14, by the cloud community and Alibaba Technology Association co-hosted the "2017 Alibaba Double 11 technology twelve lectures" successfully ended, focused on sharing the...
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Improve R&D efficiency and ensure data security — Aliyun announces the formal commercialization of data management DMS enterprise edition
January 16, 2024
by 陳詩涵
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Abstract: Alibaba Cloud Data Management DMS Enterprise edition, as a new member of the data management product family, opened public beta in November 2017, officially...
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MySQL Notes – Transactions & Locks
January 16, 2024
by Dominic Carr
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Simply put, a transaction is a set of atomic SQL queries that either all execute successfully or all fail. Here is a brief introduction to...
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The use of the mongo
January 16, 2024
by Debra Sampson
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MongoDB is a database based on distributed file storage. Written in C++ language. Designed to provide scalable high-performance data storage solutions for WEB applications. MongoDB...
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Learn a few Eloquent ways and tricks
January 16, 2024
by 蔡馨儀
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When I first looked for the so-called Laravel framework, one of my goals was to find the easiest way to manipulate a database. And then...
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Conquer databases with Spring and JDBC
January 16, 2024
by Lesley Hargreaves
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The best practice is to put the functionality of data access into one or more components that focus on that task. Such a component is...
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Jdbc introduces connection pooling, and JdbcTemplate handles optimization of result sets
January 16, 2024
by 余志豪
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# druid-1.0.9 # druid-1.0.9 # druid-1.0.9 # druid-1.0.9 # druid-1.0.9 # druid-1.0.9 # druid-1.0.9 # druid-1.0.9
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Understand a handwritten implementation of the underlying principles of database connection pooling
January 16, 2024
by Samantha Rice
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Database connection pool of the basic idea is: for the database connection to create a "buffer pool", into the pool in advance a certain number...
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How to Choose the right Hadoop Version
January 16, 2024
by Alexis Lewis
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The environment installation and deployment of Hadoop is a problem that all beginners must face at the beginning of learning Hadoop. For beginners, it is...
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Read notes on SQL Essentials (Chapter 11)
January 16, 2024
by Keith Mason
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The structure of this note is the same as that of the book. It is arranged according to the table of contents of the book....
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JSON data migration from MongoDB to MaxCompute best practices
January 16, 2024
by Sarah Carter
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First you need to upload the data to your MongoDB database. In this example, the MongoDB version of aliYun cloud database is used. The network...
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If you eat enough grass, you can become a Bull (with mind map)
January 16, 2024
by Samuel Bary
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We are very pleased to announce the release of MySQL 8.0 GA. MySQL 8.0 is a fully enhanced and attractive new release. We make our...
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Those years we stepped on the pit, there are still people stepping on the pit
January 16, 2024
by James Brown
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Last year, the company took a large sheet of nanshan, because the project is not completely similar reference must depend on oneself fumble, then is...
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