Ddl data definition language
Stands for "Data Definition Language." A DDL is a language used to define data structures and modify data. For example, DDL commands can ..., DDL(Data Definition Language):資料庫定義語言,用來操作資料庫、表、索引等資料庫對象,CREATE、DROP、ALTER以數據為對象:1.創建資料 ...
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Data definition language - Wikipedia
In the context of SQL, data definition or data description language (DDL) is a syntax similar to a computer programming language for defining data structures, ... https://en.wikipedia.org DDL (Data Definition Language) Definition - TechTerms
Stands for "Data Definition Language." A DDL is a language used to define data structures and modify data. For example, DDL commands can ... https://techterms.com DDL、DML、DQL、DCL之間的區別? - 每日頭條
DDL(Data Definition Language):資料庫定義語言,用來操作資料庫、表、索引等資料庫對象,CREATE、DROP、ALTER以數據為對象:1.創建資料 ... https://kknews.cc DDL(数据定义语言)_百度百科
数据库模式定义语言DDL(Data Definition Language),是用于描述数据库中要存储的现实世界实体的语言。... https://baike.baidu.com MYSQL DDL (Data Definition Language) - MySQL Taiwan
範例. CREATE TABLE mytable (field1 CHAR(10), field2 INT(10)) ; 範例. CREATE TABLE customer ( cus_id int NOT NULL, cus_name ... https://www.mysql.tw SQL | DDL, DQL, DML, DCL and TCL Commands ...
DDL(Data Definition Language) : DDL or Data Definition Language actually consists of the SQL commands that can be used to define the database schema. https://www.geeksforgeeks.org What is Data Definition Language (DDL)? - Techopedia
A data definition language (DDL) is a computer language used to create and modify the structure of database objects in a database. These database objects include views, schemas, tables, indexes, etc. https://www.techopedia.com What is Data Definition Language (DDL)? - WhatIs.com
Data Definition Language (DDL) is a standard for commands that define the different structures in a database. DDL statements create, modify, and remove ... https://whatis.techtarget.com 資料定義語言- 维基百科,自由的百科全书
資料定義語言(data definition language,DDL)屬於DBMS語言的一種,用於明確定義概念綱要(conceptual schemas)及內部綱要(internal schemas),DBMS內 ... https://zh.wikipedia.org |