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SQL

PolarDB-X Best Practice Series (7): Partition Design

This article provides a case study of a specific business table and describes how to design a partitioning scheme for the table step by step.

Cost Effective Way on IaaS Hosting

This article introduces cost-effective strategies for hosting on IaaS, focusing on different configurations for various organizational needs and scenarios.

Smooth Conversion and Migration of 100,000 SQL Statements Based on Enhanced MaxCompute SQL Syntax and Functions

This article introduces MaxCompute’s enhanced SQL and BigQuery-compatible features for smoothly converting and migrating 100,000 SQL statements from BigQuery.

MaxCompute SQL Execution Engine's Comprehensive Refactoring of Complex Data Type Processing Ensures Smooth Migration from BigQuery

This article introduces MaxCompute's comprehensive refactoring of its SQL execution engine to optimize complex data type processing, enabling smooth and high-performance migration from BigQuery.

Example of Obtaining Slow SQL Statements in PostgreSQL

This article introduces methods for obtaining and analyzing slow SQL statements in PostgreSQL and PolarDB for PostgreSQL.

Right Approach to JSON Log Analysis: A Hands-on Guide to Efficient Practices with Alibaba Cloud SLS

This article describes the best practices for processing and analyzing JSON logs in Alibaba Cloud Simple Log Service (SLS).

From Data Streams to Actionable Insights: Grab's Journey with Apache Flink in Real-Time Analytics and Data Quality

Discover how Grab leverages Apache Flink for real-time analytics and data quality, transforming raw data into actionable insights.

StoreView SQL: Unlock Geographical Limits for Data Analysis

StoreView SQL enables cross-region and cross-project data analysis within Alibaba Cloud's Simple Log Service, effectively unlocking geographical limits for data analysis.

Flink 2.1 SQL: Unlocking Real-time Data & AI Integration for Scalable Stream Processing

Master Flink 2.1 SQL's AI functions with ML_PREDICT, Delta Join optimizations, and real-time AI integration for scalable stream processing applications.

How to Accelerate Slow Queries with One Click Using PolarDB AutoIndex?

This article introduces the new AutoIndex feature in PolarDB for MySQL that automates the creation of column indexes to improve query performance for complex queries in OLAP scenarios.

Tips for Executing SQL Statements in Batch: Which Is Better, gexec or Dynamic SQL?

This article introduces two methods for executing SQL statements in batch: using the gexec convenient command in psql and using dynamic SQL.

Evolution of Text-to-SQL Technology - An Analysis of Alibaba Cloud OpenSearch-SQL

This article mainly introduces the latest development and technical details of Alibaba Cloud OpenSearch in Text-to-SQL tasks.

ODPS SQL - Transpose Column to Row or Row to Column

This article describes how to use TRANS_ARRAY and LATERAL VIEW EXPLODE functions to transpose columns to rows in MaxCompute.

How to Optimize Slow SQL in PolarDB-X

This tutorial will guide you through optimizing slow SQL in PolarDB-X.

Introduction to Application Scenarios of PostgreSQL JSON and Optimization of Shared Detoast

This article introduces the application scenarios of PostgreSQL JSON and the optimization of Shared Detoast.

Accelerated Integration: Unveiling Flink Connector's API Design and Latest Advances

This article is compiled from the presentation by Ren Qingsheng, committer and PMC member of Apache Flink, at the Flink Forward Asia 2023 core technology session (Part 2).

Life of an SQL Task

This article outlines the SQL statement execution process, offering insights and guidance for newcomers to big data development.

Understand Flink SQL: Real-Time SQL Query Execution for Stream and Batch Data

Discover Flink SQL, the high-level API for executing SQL queries across streaming and batch data sets in Apache Flink.

Interpretation of Global Binlog and Backup and Restoration Capabilities of PolarDB-X 2.0

This article delves into PolarDB-X 2.0's Global Binlog feature and its backup and restoration functionalities, highlighting their role in preventing data silos and safeguarding database information.

PolarDB-X Optimizer Core Technology: Execution Plan Management

This article discusses the importance of SQL Plan Management in maintaining stable database performance by optimizing the execution plan and managing multiple plans for a single SQL query.