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Data Lake Compute

Product Introduction

Purchase Guide

Billing Overview

Payment Overdue

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Getting Started

Complete Process for New User Activation

DLC Data Import Guide

Quick Start with Data Analytics in Data Lake Compute

Quick Start with Permission Management in Data Lake Compute

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Standard Engine Configuration Guide

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CREATE DATABASE

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MSCK REPAIR TABLE

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Overview of Standard Spark Statement

Overview of Standard Presto Statement

API Documentation

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Data Table APIs

CreateInternalTable

DescribeLakeFsDirSummary

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GenerateCreateMangedTableSql

Task APIs

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AlterDMSDatabase

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DescribeDMSDatabase

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DescribeForbiddenTablePro

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GrantDLCCatalogAccess

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UpdateDataEngineConfig

Permission Management APIs

Database APIs

ModifyAdvancedStoreLocation

ModifyGovernEventRule

DescribeAdvancedStoreLocation

Data Source Connection APIs

CheckDataEngineImageCanBeRollback

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Data Optimization APIs

GetOptimizerPolicy

Data Engine APIs

CreateDataEngine

DescribeDataEnginesScaleDetail

DeleteDataEngine

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DescribeUpdatableDataEngines

DescribeDataEngine

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CheckDataEngineConfigPairsValidity

General Reference

Quotas and limits

Operation Guide on Connecting Third-Party Software to DLC

Connecting CBoard to DLC

DLC Policy

Data Privacy And Security Agreement

Service Level Agreement

DocumentationData Lake ComputeSQL StatementSuperSQL StatementUnified StatementDDL StatementDESCRIBE TABLE

DESCRIBE TABLE

Last updated: 2024-08-07 17:13:35

DESCRIBE TABLE

Last updated: 2024-08-07 17:13:35

Description
Supported engines: Presto and SparkSQL
Applicable table: Native and external tables
Purpose: View column information and metadata information on the data table.
Standard Statement
DESCRIBE [EXTENDED | FORMATTED] [db_name.]table_name [PARTITION partition_spec];
Parameter
[EXTENDED | FORMATTED]: Specify the format of the table.
table_name: Table name
[PARTITION partition_spec]: List of partitions in the table
Example
DESCRIBE tbl;
DESCRIBE FORMATTED tbl PARTITION (date_id = '2019-01-07');
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