Home
Recent Q&A
Java
Cloud
JavaScript
Python
SQL
PHP
HTML
C++
Data Science
DBMS
Devops
Hadoop
Machine Learning

What is a DataFrame in Spark SQL?

Home
Spark Sql
What is a DataFrame in Spark SQL?

asked Feb 12 in Spark Sql by sharadyadav1986

Q:

What is a DataFrame in Spark SQL?

dataframe
spark-sql

1 Answer

0 votes

answered Feb 12 by sharadyadav1986

A DataFrame in Spark SQL is a distributed collection of data organized into named columns, similar to a table in a relational database. A DataFrame can be constructed from a variety of data sources, including structured data files, Hive tables, and external databases.

Related questions

0 votes

Q: What is the difference between a DataFrame and a Dataset in Spark SQL?

asked Feb 12 in Spark Sql by sharadyadav1986

dataframe
sparksql
dataset
sql

0 votes

Q: How does Spark SQL differ from traditional SQL?

asked Feb 12 in Spark Sql by sharadyadav1986

spark-sql
traditional-sql

0 votes

Q: What is Spark SQL?

asked Feb 12 in Spark Sql by sharadyadav1986

spark-sql

+1 vote

Q: An instance of the Spark SQL execution engine that integrates with data stored in Hive:

asked Sep 16, 2022 in Spark Preliminaries by sharadyadav1986

spark-preliminaries
spark-sql

0 votes

Q: What do you understand by Spark SQL?

asked Mar 29, 2022 in Apache Spark by sharadyadav1986

spark-sql

+1 vote

Q: How is Spark SQL different from HQL and SQL?

asked Mar 13, 2022 in PySpark by rajeshsharma

hql
sql
spark-sql

+1 vote

Q: You are given a dataframe with prices of cheeses. However, the dataframe is missing values in the price column. Write a function to impute the median price in place of missing values.

asked Oct 28, 2022 in Python by SakshiSharma

python
dataframe
datasets

+1 vote

Q: Given a dataframe with rainfall data (day of the week and rainfall inches), write a function to find the median amount of rainfall for the days on which it rained.

asked Oct 28, 2022 in Python by SakshiSharma

python
dataframe
datasets

+1 vote

Q: Given a dataframe of students’ favorite colors and test scores, write a function to select only those rows (students) where their favorite color is green or red and their test grade is above 90.

asked Oct 28, 2022 in Python by SakshiSharma

python
dataframe
datasets

0 votes

Q: What is the difference between a series and a dataframe in Pandas?

asked Oct 27, 2022 in Python by SakshiSharma

dataframe
pandas

0 votes

Q: What are the key differences between an RDD, a DataFrame, and a DataSet?

asked Mar 13, 2022 in PySpark by rajeshsharma

rdd
dataframe
dataset

0 votes

Q: What are the different ways in which a DataFrame can be created in Pandas?

asked Aug 14, 2021 in Python Pandas by SakshiSharma

data-frame
dataframe
pandas-dataframe

+1 vote

Q: Given the below dataframes form a single dataframe by vertical stacking.

asked Feb 15, 2021 in Python by SakshiSharma

#python-dataframe
dataframe
single-dataframe
Python-questions-answers

+1 vote

Q: How to delete a column or group of columns in pandas? Given the below dataframe drop column “col1”.

asked Feb 14, 2021 in Python by SakshiSharma

#delete-column
pandas-delete-column
dataframe
dataframe-column
Python-questions-answers

0 votes

Q: How to fetch a data entry from a pandas dataframe using a given value in index?

asked Feb 11, 2021 in Python by SakshiSharma

#python-dataframe
dataframe
dataframe-fetch
python
Python-questions-answers

0 votes

Q: How to create dataframe from a dictionary?

asked Feb 10, 2021 in Python by SakshiSharma

#dataframe-dictionary
dataframe
pandas
python
Python-questions-answers

0 votes

Q: How to create a dataframe from lists?

asked Feb 10, 2021 in Python by SakshiSharma

#create-dataframe
pandas-dataframe
dataframe
python
Python-questions-answers

+1 vote

Q: Take first 10 record and last 10 record of file and combine both using DataFrame in Spark?

asked Mar 9, 2020 in Spark Sql by SakshiSharma

#spark-frames

+1 vote

Q: How to remove Special character “#” from 100 of columns in DataFrame in Spark?

asked Mar 9, 2020 in Spark Sql by SakshiSharma

#spark-dataframe-characters

+1 vote

Q: How to programmatically specifying schema for DataFrame in Spark?

asked Mar 9, 2020 in Spark Sql by SakshiSharma

#spark-dataframe

Agile Questions & Answers

Javascript Questions & Answers

Ansible Questions & Answers

Bootstrap Questions & Answers

Angular Questions & Answers

Android Questions & Answers

Linux Questions & Answers

Kibana Questions & Answers

Dataware Questions & Answers

Gradle Questions & Answers

Bitcoin Questions & Answers

Cassandra Questions & Answers

5G-Network Questions & Answers

AWS Questions & Answers

C# Questions & Answers

C++ Interview Questions & Answers

REACTJS Questions & Answers

AJAX Questions & Answers

Data Handling Questions & Answers

Hadoop Questions & Answers

Big Data Questions & Answers

HTML Questions & Answers

JAVA Questions & Answers

JavaScript Questions & Answers

JIRA Questions & Answers

Azure Questions & Answers

Blockchain Questions & Answers

GIT Questions & Answers

DOT NET Questions & Answers

Machine Learning Questions & Answers

MVC Language Questions & Answers

NOSQL Questions & Answers

Python Questions & Answers

R Language Questions & Answers

Framework Questions & Answers

IONIC Questions & Answers

Cloud Questions & Answers

Salesforce Questions & Answers

Selenium Questions & Answers

Spark SQL Questions & Answers

VUE JS Questions & Answers

Devops Questions & Answers

Jenkins Questions & Answers

Artificial Intelligence Questions & Answers

Continuous Integration Questions & Answers

GIT Questions & Answers

Continuous Deployment Questions & Answers

Cyber Security Questions & Answers

About us

Subscribe Us

HOT LINKS

Data Visualisation Aurora

Hadoop and Big Data

TRANDING TECHNOLOGIES

CONTACT US

New York, NY 10012, US

[email protected]

Follow us on Social Media

© Copyright 2018-2023 www.madanswer.com. All rights reserved. Developed by Madanswer.

...