Module 12: Cursors

Module 12: Cursors

Professional Development

5 Qs

quiz-placeholder

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Module 12: Cursors

Module 12: Cursors

Assessment

Quiz

Computers

Professional Development

Practice Problem

Hard

Created by

mic micdeJC

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5 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the primary purpose of using cursors in SQL?

To combine data from multiple tables

To manipulate table structure

To retrieve and process rows from a result set one at a time

To perform complex mathematical calculations

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the purpose of the CLOSE statement in SQL cursors?

It fetches the first row from the cursor

It releases the resources associated with the cursor

It restarts the cursor

It fetches the last row from the cursor

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a drawback of using cursors in SQL?

They are always more efficient than set-based operations

They can only be used for simple SELECT statements

They might lead to performance issues and slow processing

They cannot be used in conjunction with subqueries

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a scenario where using a cursor could be a good choice?

When performing aggregation on large datasets

When performing multiple UPDATE statements in a single query

When processing each row to apply business logic based on certain conditions

When retrieving a large number of rows for reporting purposes

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the purpose of the @@FETCH_STATUS variable in a cursor loop?

It holds the number of rows fetched by the cursor

It indicates whether a fetch operation was successful

It keeps track of the cursor's position

It determines the number of rows remaining in the result set

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