​Which of the Following Statements About the DELETE Command Is

question 76

Multiple Choice

​Which of the following statements about the DELETE command is incorrect?

• A) ​The DELETE command applies to an entire row and cannot be applied to specific columns within a row.
• B) ​The proper command syntax for the DELETE command is DELETE FROM tablename;
• C) ​If you omit the optional WHERE clause,then all the rows in the table will be deleted.
• D) ​If you omit the mandatory WHERE clause,an error message will be issued.

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Definitions:

References

Variables that hold the memory address of another variable rather than holding the data directly, typically used in languages like C++.

Doubly Linked List

A data structure consisting of nodes where each node has references both to the next node and the previous node in the sequence.

Nodes

Elements or data points in a data structure, such as a linked list or tree, that contain data and references to other nodes.

Head Node

The first node in a linked list or tree data structure.