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Free Download Introduction to Spark SQL and DataFrames
Updated: April 1, 2024
Duration: 1h 54m | .MP4 1280x720, 30 fps(r) | AAC, 48000 Hz, 2ch | 250 MB
Level: Intermediate | Genre: eLearning | Language: English
Explore DataFrames, a widely used data structure in Apache Spark. DataFrames allow Spark developers to perform common data operations, such as filtering and aggregation, as well as advanced data analysis on large collections of distributed data. With the addition of Spark SQL, developers have access to an even more popular and powerful query language than the built-in DataFrames API. In this course, instructor Dan Sullivan shows how to perform basic operations—loading, filtering, and aggregating data in DataFrames—with the API and SQL, as well as more advanced techniques that are easily performed in SQL. In this section of the course, Dan explains how to join data, eliminate duplicates, and deal with null or NA values. The lessons conclude with three in-depth examples of using DataFrames for data science: exploratory data analysis, time series analysis, and machine learning.

Free Download Full– Stack Development for Beginner React, Next.js, Node.js
Published 9/2025
Created by Anton Voroniuk,Dmytro Vasyliev,Anton Voroniuk Support
MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHz, 2 Ch
Level: All | Genre: eLearning | Language: English | Duration: 219 Lectures ( 22h 21m ) | Size: 11.1 GB

Free Download Fearless Finance for Young Adults
Published 9/2025
MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHz, 2 Ch
Language: English | Duration: 1h 25m | Size: 776 MB
Making Smart Financial Decisions. Gain the confidence to take control of your future.

Free Download Excel Essential Training (Microsoft 365) (2025)
Released: 02/2025
Duration: 2h 56m | .MP4 1280x720, 30 fps(r) | AAC, 48000 Hz, 2ch | 557 MB
Level: Beginner | Genre: eLearning | Language: English
Get up to speed with Microsoft Excel, the world's most popular spreadsheet program. Follow along with Excel expert Dennis Taylor as he demonstrates how to efficiently manage and analyze data with this powerful program. Learn how to enter and organize data, perform calculations with simple functions, and format the appearance of rows, columns, cells, and data. Plus, learn about accessibility features, how to work with multiple worksheets, build charts and PivotTables, sort and filter data, print in Excel, use Microsoft Copilot with Excel, and more.

Free Download Building a search engine using Elasticsearch or Opensearch
Published 9/2025
MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHz, 2 Ch
Language: English | Duration: 5h 16m | Size: 4.55 GB
Become a search engine expert by acquiring both the theoretical and practical knowledge require to build one

Free Download Building AI Agents Core Component Intelligent Architecture
Published 9/2025
MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHz, 2 Ch
Language: English | Duration: 49m | Size: 342 MB
Core Components and Intelligent Architectures

Free Download Beginner Gardening Mini– Course
Published 9/2025
MP4 | Video: h264, 1920x1080 | Audio: AAC, 44.1 KHz
Language: English | Size: 1.74 GB | Duration: 0h 41m
Gardening made simple: soil health, mulching, plant choice, and lawn care explained clear, practical terms

Free Download Basel 3.1 Explained The Final Basel III Reforms Simplified
Published 9/2025
MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHz, 2 Ch
Language: English | Duration: 1h 21m | Size: 521 MB
A Complete Guide to the Final Basel III Reforms (Basel 3.1) for Risk & Compliance Professionals

Free Download Agentic AI Engineering Build RealWorld Autonomous AI Agents
Last updated 9/2025
MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHz, 2 Ch
Language: English | Duration: 16h 34m | Size: 8 GB
Master Agentic AI: Build Real-World Autonomous AI Agents with Python, OpenAI SDK, CrewAI, LangGraph, AutoGen, MCP

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Dl4All is download free for all software and educational resource. With a little searching, you can download what you need for free without spending any money.