CompTIA Exam DS0-001 Topic 5 Question 18 Discussion

Actual exam question for CompTIA's DS0-001 exam

Question #: 18
Topic #: 5

[All DS0-001 Questions]

Which of the following commands is part of DDL?

AUPDATE

BGRANT

CCREATE

DINSERT

Show Suggested Answer

Suggested Answer: C

The command that is part of DDL is CREATE. CREATE is a SQL command that belongs to the category of DDL, or Data Definition Language. DDL is a subset of SQL commands that are used to define or modify the structure or schema of a database, such as tables, columns, constraints, indexes, views, etc. CREATE is a DDL command that is used to create a new object in a database, such as a table, column, constraint, index, view, etc. For example, the following statement uses the CREATE command to create a new table called employee with four columns:

CREATE TABLE employee (

emp_id INT PRIMARY KEY,

emp_name VARCHAR(50) NOT NULL,

emp_dept VARCHAR(20),

emp_salary DECIMAL(10,2)

);

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The other options are either part of different categories of SQL commands or not SQL commands at all. For example, UPDATE is a SQL command that belongs to the category of DML, or Data Manipulation Language. DML is a subset of SQL commands that are used to manipulate or modify the data or content of a database, such as inserting, updating, deleting, or selecting data. GRANT is a SQL command that belongs to the category of DCL, or Data Control Language. DCL is a subset of SQL commands that are used to control or manage the access or permissions of users or roles on a database, such as granting or revoking privileges or roles. INSERT is a SQL command that belongs to the category of DML, or Data Manipulation Language. INSERT is a DML command that is used to insert new data into a table.Reference:CompTIA DataSys+ Course Outline, Domain 1.0 Database Fundamentals, Objective 1.2 Given a scenario, execute database tasks using scripting and programming languages.

by Leandro at Jun 03, 2024, 02:06 PM

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Fletcher

5 months ago

I'm going to have to go with C. CREATE. It just makes the most sense for a Data Definition Language command, don't you think? Unless, of course, you're a database master like my dog Rufus. He'd know this in a heartbeat!

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Alfreda

6 months ago

B. GRANT, obviously. Can't have anyone messing with my precious database without authorization. It's like guarding the secret recipe for the best chocolate chip cookies ever!

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Suzan

6 months ago

C. CREATE, for sure. The other options are for modifying data, not the structure itself.

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Lili

5 months ago

Yes, CREATE is used to define the structure of the database.

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Cordie

5 months ago

I agree, CREATE is definitely a DDL command.

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Clarinda

6 months ago

D. INSERT, all the way! I mean, how else are we supposed to get data into the database? Duh!

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6 months ago

I think the answer is C) CREATE.

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