DDL is abbreviation of Data Definition Language. It is used to create and modify the structure of database objects in database. Examples: CREATE, ALTER, DROP statements Visit this site for more info: http://blog.sqlauthority.com/2008/01/15/sql-server-what-is-dml-ddl-dcl-and-tcl-introduct...
DDL stands for Data Definition Language. DDL commands are a set of statements used to manage the structure of databases instructured query language (SQL). These commands allow users to create, modify, and delete database objects such as tables, indexes, views, and schemas. Common DDL commands ...
DDL means "Data Definition Language". SELECT, UPDATE, INSERT belong to DML, which is "Data Modification Language". DDL is all the other commands -- for example, CREATE TABLE. Was this answer useful? Yes ReplySHIMAR Apr 16th, 2012 DDL is used to create, alter and truncate DML is...
It also uses the data manipulation language (DML), which is a set of SQL statements that act on the data within a table, and the data control language (DCL), which is a set of SQL statements that control privileges to the data in the database. Read DDL, DML & DCL in MySQL | ...
DDL is Data Definition Language statements. Some examples: CREATE - to create objects in the database ALTER - alters the structure of the database DROP - delete objects from the database TRUNCATE - remove all records from a table, including all spaces allocated for the records are removed ...
The language can be broken down into four types of SQL commands – DDL, DML, DQL and DCL. Let’s look at each of these sections. DDL (data definition language) – this is used to create and modify database objects like tables, users, and indices. DML (data manipulation language) –...
1. Data Definition Language (DDL): DDLs are used for defining the structure and schema of the database. Common DDL commands are CREATE, ALTER, and DROP. 2. Data Manipulation Language (DML): DML is used for manipulating and operating on data. INSERT, UPDATE, DELETE and SELECT are common ...
SQL Structure SQL Classification SQL is classified into the following categories. Note that statements mentioned in the following tables may vary in different databases. CommandsDescription DDLData Definition Language DMLData Manipulation Language TCLTransaction Control Language ...
Data Definition Language (DDL)commands are also calleddata definition commandsbecause they are used to define data tables. Data Manipulation Language (DML)commands are used to manipulate data in existing tables by adding, changing or removing data. Unlike DDL commands that define how data is stored...
SQL includes a sub-language for defining schemas, the data definition language (DDL), along with a sub-language for modifying data, the data manipulation language (DML). Both of these have roots in early CODASYL specifications. The third sub-language in SQL declares queries, through the SELECT...