SQL Partition MCQs

SQL Partition MCQs

Professional Development

15 Qs

quiz-placeholder

Similar activities

SQL basics

SQL basics

Professional Development

12 Qs

Data Engineering Theory

Data Engineering Theory

Professional Development

17 Qs

Ms-Sql-Quizz

Ms-Sql-Quizz

Professional Development

10 Qs

PySpark Quiz Round

PySpark Quiz Round

Professional Development

11 Qs

[BIE - Thu 2 June 2022] - Chapter 4 (ETL)

[BIE - Thu 2 June 2022] - Chapter 4 (ETL)

Professional Development

10 Qs

ESTRUCTURA DE DATOS II

ESTRUCTURA DE DATOS II

Professional Development

13 Qs

Database NoSQL (MongoDB)

Database NoSQL (MongoDB)

University - Professional Development

12 Qs

Python & SQL

Python & SQL

Professional Development

15 Qs

SQL Partition MCQs

SQL Partition MCQs

Assessment

Quiz

Other

Professional Development

Hard

Created by

Dinesh Dinesh

Used 1+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is SQL table partitioning?

Grouping rows into different views

Dividing a table into smaller, manageable pieces

Joining tables by keys

Clustering indexes

Answer explanation

SQL table partitioning refers to dividing a table into smaller, manageable pieces, which can improve performance and manageability. This is the correct choice, as it directly describes the process of partitioning.

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is Range Partitioning?

Partitions based on distinct values

Partitions based on a modulo function

Partitions based on value ranges

Partitions based on alphabet

Answer explanation

Range partitioning divides data into segments based on specified value ranges. This allows for efficient data management and retrieval, making 'Partitions based on value ranges' the correct choice.

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is List Partitioning?

Based on a hash function

Based on value lists (e.g., region names)

Based on ranges

Based on indexes

Answer explanation

List Partitioning divides data based on specific values, such as region names. This method allows for efficient data management by grouping related entries, making 'Based on value lists (e.g., region names)' the correct choice.

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is Hash Partitioning used for?

Balancing data evenly

Sorting alphabetically

Organizing values by size

Creating composite indexes

Answer explanation

Hash Partitioning is used for balancing data evenly across partitions. It distributes records based on a hash function, ensuring that each partition receives a roughly equal amount of data, which optimizes performance.

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which of the following supports partitioned tables?

Oracle

PostgreSQL

SQL Server

All of the above

Answer explanation

All of the listed database systems—Oracle, PostgreSQL, and SQL Server—support partitioned tables, allowing for improved performance and easier management of large datasets.

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which partitioning method is best for a date-based column?

List

Hash

Range

Full Table Scan

Answer explanation

The Range partitioning method is ideal for date-based columns as it allows data to be divided into ranges, making it efficient for queries that filter by date intervals. This enhances performance compared to other methods.

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which partition method helps balance data load with no natural key?

Range

List

Hash

View Partition

Answer explanation

Hash partitioning is effective for balancing data load when there is no natural key, as it distributes rows evenly across partitions based on a hash function, ensuring a more uniform data distribution compared to range or list methods.

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?