What Do You Know About Data Definition Language? Take This Quiz To Find Out More About Ddl.

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Quizzes Created: 636 | Total Attempts: 839,615
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  • 1/10 Questions

    Which DDL statement creates a new object?

    • Create
    • Object
    • Vector
    • Statement
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About This Quiz

A data definition language (DDL), sometimes called data description language, is a syntax for defining data structures, especially database schemas. Take this quiz to find out more about DDL.

What Do You Know About Data Definition Language? Take This Quiz To Find Out More About Ddl. - Quiz

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  • 2. 
    The rename statement is used to ___ an object. - ProProfs

    The rename statement is used to ___ an object.

    • Rename

    • Destroy

    • Clean

    • Drop

    Correct Answer
    A. Rename
    Explanation
    The rename statement is used to change the name of an object.

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  • 3. 
    In order to modify an existing database object, we use the ___ statement. - ProProfs

    In order to modify an existing database object, we use the ___ statement.

    • Move

    • Object

    • Alter

    • Change

    Correct Answer
    A. Alter
    Explanation
    To modify an existing database object, we use the "Alter" statement. This statement allows us to make changes to the structure or properties of a database object, such as tables, views, or procedures. It can be used to add or remove columns, change data types, modify constraints, or rename the object. The "Alter" statement is essential for making alterations to an existing database object without having to recreate it from scratch.

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  • 4. 
    This command "ALTER TABLE sink ADD bubbles INTEGER;" adds a... - ProProfs

    This command "ALTER TABLE sink ADD bubbles INTEGER;" adds a...

    • Column

    • Object

    • Vector

    • Color

    Correct Answer
    A. Column
    Explanation
    The given command "ALTER TABLE sink ADD bubbles INTEGER;" adds a column named "bubbles" to the table "sink" with the data type of INTEGER. This means that a new column will be created in the table, allowing for the storage of integer values in that column.

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  • 5. 
    All of the following are DDL statements except... - ProProfs

    All of the following are DDL statements except...

    • Rename

    • Create

    • Alter

    • Object

    Correct Answer
    A. Object
    Explanation
    The given answer is "Object". The reason for this is that "Rename", "Create", and "Alter" are all examples of Data Definition Language (DDL) statements. DDL statements are used to define or modify the structure of a database, such as creating tables, modifying columns, or renaming objects. On the other hand, "Object" is not a DDL statement but rather a general term that refers to any entity or item within a database, such as tables, views, or indexes.

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  • 6. 
    Data definition language lets you create and alter ___ objects. - ProProfs

    Data definition language lets you create and alter ___ objects.

    • Rastar

    • Vector

    • Statement

    • Schema

    Correct Answer
    A. Schema
    Explanation
    Data definition language (DDL) is used to create and alter database objects, such as tables, views, indexes, and schemas. A schema is a logical container that holds database objects, allowing users to organize and manage their data effectively. Therefore, the correct answer is "Schema."

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  • 7. 
    Which of these SQL statements can be used to grant or revoke privileges? - ProProfs

    Which of these SQL statements can be used to grant or revoke privileges?

    • PHP

    • DCL

    • DDL

    • DML

    Correct Answer
    A. DDL
    Explanation
    DDL stands for Data Definition Language, which is a subset of SQL used to define and manage the structure of a database. DDL statements like CREATE, ALTER, and DROP can be used to create, modify, or delete database objects such as tables, indexes, and views. In addition to these operations, DDL statements also include the ability to grant or revoke privileges on these objects. Therefore, the correct answer is DDL.

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  • 8. 
    The DROP statement ___ an object. - ProProfs

    The DROP statement ___ an object.

    • Creates

    • Destroys

    • Deletes

    • Moves

    Correct Answer
    A. Destroys
    Explanation
    The DROP statement is used to remove or delete an object from a database. When the DROP statement is executed, it destroys the specified object, effectively eliminating it from the database. This can include tables, views, indexes, or any other database object that is no longer needed or required.

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  • 9. 
    Which of these statements begins with alter? - ProProfs

    Which of these statements begins with alter?

    • Rename

    • Revoke

    • Audit

    • Purge

    Correct Answer
    A. Audit
    Explanation
    The statement that begins with "alter" is "audit".

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  • 10. 
    Which of these statements requires an exclusive access to a specified object? - ProProfs

    Which of these statements requires an exclusive access to a specified object?

    • GRANT

    • CREATE

    • REVOKE

    • ANALYZE

    Correct Answer
    A. CREATE
    Explanation
    The statement "CREATE" requires exclusive access to a specified object because it involves creating a new object or entity in a database. When creating a new object, exclusive access is needed to ensure that no other operations or modifications are being made to the object simultaneously, which could lead to conflicts or inconsistencies.

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Quiz Review Timeline (Updated): Mar 15, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 15, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 16, 2017
    Quiz Created by
    Cripstwick
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