---
title: "Data Query glossary"
slug: "dataquery-glossary"
updated: 2026-09-17T09:18:10Z
published: 2026-09-17T09:18:10Z
canonical: "guide.ncloud-docs.com/dataquery-glossary"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Data Query glossary

Available in VPC

Here are some must-know terms for use of Data Query service. The terms and their definitions are as follows:

### Data Catalog

A service of NAVER Cloud Platform that provides cloud based metadata integration and management functions to enhance the usability of data assets

### DDL(Data Definition Language)

SQL (Structured Query Language) statements that define the relationships between data in databases and establish the database structure. For more information, [see telecommunications dictionary](https://terms.tta.or.kr/dictionary/dictionaryView.do?subject=%EB%8D%B0%EC%9D%B4%ED%84%B0+%EC%A0%95%EC%9D%98+%EC%96%B8%EC%96%B4).

### Data Query

A NAVER Cloud Platform service that provides serverless interactive query features, allowing for easy direct data analysis

### Object Storage

A service of NAVER Cloud Platform that allows storage and retrieval of all types of data on the Internet

### Query

Processing initiated by a web client's request to a web server for specific information

### SQL(Structured Query Language)

A standard query language for operating and managing Relational Database Management Systems (RDBMS) or Relational Data Stream Management Systems (RDSMS). For more information, [see telecommunications dictionary](https://terms.tta.or.kr/dictionary/dictionaryView.do?word_seq=056898-4).

### Table

A collection of data set values sorted using a model of vertical and horizontal lines

              Note

              

For more terms, see [Glossary](https://www.ncloud.com/guideCenter/glossary) on NAVER Cloud Platform portal.