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Tencent Cloud WeData

Release Notes
Dynamic Release Record (2026)
Product Introduction
Product Overview
Product Advantages
Product Architecture
Product Features
Application Scenarios
Purchase Guide
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Execute Resource Purchase Description
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Overdue Policy
Refund
Preparations
Overview of Account and Permission Management
Add allowlist /security groups (Optional)
Sign in to WeData with Microsoft Entra ID (Azure AD) Single Sign-On (SSO)
Operation Guide
Console Operation
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Studio
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Data Governance (with Unity Semantics)
API Documentation
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Smart Ops Related Interfaces
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Data Asset - Data Dictionary APIs
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Data Exploration APIs
Asset APIs
Metadata Related Interfaces
Task Operations APIs
Data Security APIs
Instance Operation and Maintenance Related Interfaces
Data Map and Data Dictionary APIs
Data Quality Related Interfaces
DataInLong APIs
Platform Management APIs
Data Source Management APIs
Data Quality APIs
Platform Management APIs
Asset Data APIs
Data Source Management APIs
Data Types
Error Codes
WeData API 2025-08-06
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Glossary

Spark SQL

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最終更新日: 2024-11-01 16:26:14
Note:
You need to start the Hive and Spark component services in the EMR cluster.
1. The current user has permissions in the EMR cluster.
2. The corresponding database has been created in Hive, such as in the example: wedata_demo_db.

Sample Code

-- Create a User Information Table
create table if not exists wedata_demo_db.user_info (
user_id string COMMENT 'User ID',
user_name string COMMENT 'Username',
user_age int COMMENT 'Age',
city string COMMENT 'City'
) COMMENT 'User Information Table';

-- Insert data into the User Information Table
insert into wedata_demo_db.user_info values ('001', 'Zhang San', 28, 'Beijing');
insert into wedata_demo_db.user_info values ('002', 'Li Si', 35, 'Shanghai');
insert into wedata_demo_db.user_info values ('003', 'Wang Wu', 22, 'Shenzhen');
insert into wedata_demo_db.user_info values ('004', 'Zhao Liu', 45, 'Guangzhou');
insert into wedata_demo_db.user_info values ('005', 'Xiao Ming', 20, 'Beijing');
insert into wedata_demo_db.user_info values ('006', 'Xiao Hong', 30, 'Shanghai');
insert into wedata_demo_db.user_info values ('007', 'Xiao Gang', 25, 'Shenzhen');
insert into wedata_demo_db.user_info values ('008', 'Xiao Li', 40, 'Guangzhou');
insert into wedata_demo_db.user_info values ('009', 'Xiao Zhang', 23, 'Beijing');
insert into wedata_demo_db.user_info values ('010', 'Xiao Wang', 50, 'Shanghai');

select * from wedata_demo_db.user_info;


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