This page encompasses all data definition language (DDL) commands supported by GridGain.CREATE TABLE Create a new table and an underlying cache. CREATE TABLE [IF NOT EXISTS] tableName (tableColumn [, tableColumn
Data Definition Language (DDL) is a part of SQL that is used to create, modify, and delete database objects such as table, view, and index, and to manage access privileges to these objects. Below are the most common DDL commands: ...
Oracle DDL CommandsData Definition Language (DDL) Statements Data definition language (DDL) statements enable you to perform these tasks: Create, alter, and drop schema objects Grant and revoke privileges and roles Analyze information on a table, index, or cluster Establish auditing options ...
在数据库管理系统(DBMS)中,CREATE TABLE 语句属于 数据定义语言(DDL,Data Definition Language)的范畴。这是一种用于定义数据库结构的 SQL 语句集合。DDL 的作用是对数据库中的对象(如表、视图、索引等)进行创建、修改、删除等操作。它是数据库管理和操作的核心功能之一,通常与其他 SQL 子集,如 DML(数据操纵...
SQL基础01:DDL(Data Definition Language)数据定义语言 Arthit 来自专栏 · mySQL学习 目录 收起 DDL(data definition language 数据定义语句) 1、数据库操作 1. 查询 2. 创建 3. 删除 4. 使用 2、表操作-查询-创建 1. 查询 2. 创建 3、SQL数据类型 1. 数值类型 2. 字符串类型 3. 日期类型 4...
DDL(Data Definition Language):数据定义语言,用来定义数据库对象(数据库,表,字段)。 数据库操作 查询所有数据库 show databases; 查询当前数据库 select database(); 创建数据库 create database [ if not exis
It is used to establish and modify the structure of objects in a database by dealing with descriptions of the database schema. Unlike data manipulation language (DML) commands that are used for data modification purposes, DDL commands are used for altering the database structure such as creating...
Hive Data Definition Language (DDL) Create/Drop/Alter/Use Database Create Database CREATE[REMOTE] (DATABASE|SCHEMA) [IFNOTEXISTS] database_name--REMOTE: hive4使用[COMMENT database_comment] [LOCATION hdfs_path]-- hive4以下使用:指定内/外部存储位置[MANAGEDLOCATION hdfs_path]-- hive4使用:...
在数据库管理系统(DBMS)中,CREATE TABLE语句属于数据定义语言(DDL,Data Definition Language)的范畴。这是一种用于定义数据库结构的 SQL 语句集合。DDL 的作用是对数据库中的对象(如表、视图、索引等)进行创建、修改、删除等操作。它是数据库管理和操作的核心功能之一,通常与其他 SQL 子集,如 DML(数据操纵语言)和...
Common Data Definition Language commands General application users -- i.e., users who are not authorized to work directly with a database -- do not use DDL commands. These general users can and should only access the database indirectly via the application. ...