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Defining a database, including creating, altering, and dropping tables and establishing constraints (correct)
Describing the structure of a database schema
Controlling a database, including administering privileges and committing data
Maintaining and querying a database

Controlling a database, including administering privileges and committing data (correct)
Maintaining and querying a database
Defining a database, including creating, altering, and dropping tables and establishing constraints
Describing the structure of a database schema

Defining a database, including creating, altering, and dropping tables (D) Signup and view all the answers

Controlling a database, including administering privileges and committing data (D) Signup and view all the answers

Containing descriptions of objects created by a user (B) Signup and view all the answers

A schema is a blueprint or a framework that defines the organization of data in a database
It includes the relationships between different data entities and the rules governing those relationships
A schema is essential in defining the structure of a database, ensuring data consistency and integrity

DDL is a set of instructions used to define the structure and organization of a database
It is used to create, modify, and delete database objects, such as tables, indexes, and relationships
DDL is used to define the schema of a database

DCL is a set of instructions used to control access to a database
It is used to grant or revoke privileges to users and to assign access levels to database objects
DCL is used to ensure data security and integrity by controlling who has access to the database and what they can do with it