When constructing a database schema, which SQL command should be utilized to set up a new schema?

When constructing a database schema, which SQL command should be utilized to set up a new schema?

• A. CREATE SCHEMA
• B. ALTER SCHEMA
• C. DROP SCHEMA
• D. USE SCHEMA

Answer: (A)

The command utilized to set up a new schema in a database is "CREATE SCHEMA." This command is essential for defining a new namespace or organizational structure within a database, allowing for the grouping of database objects such as tables, views, and stored procedures. By creating a schema, database administrators can effectively manage data accessibility, security, and organization, which aids in maintaining a clear structure in complex databases.

In contrast, "ALTER SCHEMA" is used to modify an existing schema, while "DROP SCHEMA" serves the purpose of deleting an entire schema along with its objects. The command "USE SCHEMA" is not standard SQL syntax; instead, it would typically be part of a context where a specific schema is set as the current working schema, but it does not create a schema. Therefore, the appropriate command for establishing a new schema is indeed "CREATE SCHEMA," making it the correct choice.