数据库数据定义ddl 的相关内容

阿里云文档 2024-08-28

如何使用抢占式DDL(PreemptiveDDL)功能,有什么使用限制

PolarDB MySQL版新增抢占式DDL（Preemptive DDL）功能。Preemptive DDL解决了在执行DDL的过程中，由于只读节点的表上存在大查询和长事务而导致的DDL执行失败的问题。

阿里云文档 2024-08-28

PolarDB MySQL版DDL操作指南

本文基于云原生数据库PolarDB MySQL版，对常见DDL的操作进行了说明，方便用户查询和了解DDL的行为，评估DDL操作风险，降低对业务的影响。

文章 2024-08-01 来自：开发者社区

关系型数据库sqlserver数据定义语言 (DDL)

在 SQL Server 中，数据定义语言 (Data Definition Language, DDL) 是一组 SQL 命令，用于定义和修改数据库结构。DDL 命令主要用于创建、修改或删除数据库对象，如表、视图、索引等。以下是一些常用的 SQL Server DDL 命令及其简要说明： CREATE CREATE DATABASE: 创建一个新的数据库。 CRE...

阿里云文档 2024-07-26

如何使用逻辑复制来复制数据定义命令(DDL)

PolarDB PostgreSQL版（兼容Oracle）支持使用逻辑复制来复制数据定义命令 (DDL)。

阿里云文档 2024-07-26

如何使用逻辑复制来复制数据定义命令(DDL)

PolarDB PostgreSQL版支持使用逻辑复制来复制数据定义命令 (DDL)。

阿里云文档 2024-02-29

如何使用MySQL 5.6的新特性Online DDL

本文介绍如何使用MySQL 5.6的新特性Online DDL。

文章 2022-02-17 来自：开发者社区

数据库必知词汇：数据定义语言DDL

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问答 2022-02-15 来自：开发者社区

数据库SQL数据定义语言（DDL）是什么？

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更新时间 2024-08-02 09:13:32

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