Category: VMware & Cloud
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SQL Joins: Combining Tables with INNER and LEFT JOIN (Data Analyst Series, Part 7)
Learn SQL joins the practical way. INNER JOIN keeps matches, LEFT JOIN keeps every row, and the ON versus WHERE trap that quietly drops the rows you need.
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SQL SELECT, WHERE and ORDER BY: Your First Queries (Data Analyst Series, Part 6)
Write your first real SQL queries. SELECT to choose columns, WHERE to filter rows, ORDER BY to sort and LIMIT to cap, all against a five-row sample table.
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How Data Is Stored: Tables, Types, CSV Files and Databases (Data Analyst Series, Part 5)
Tables, data types, CSV files and databases explained for beginners, so the SQL in the next parts reads like plain sentences instead of a puzzle.
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Spreadsheet Formulas and Pivot Tables That Do Real Work (Data Analyst Series, Part 4)
Two spreadsheet features do most of an analyst’s real work: conditional formulas like SUMIFS and pivot tables. Here is how to use both to answer a question in seconds instead of scrolling for an hour.
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How to Think in Data: Questions, Metrics and Hypotheses (Data Analyst Series, Part 3)
Analysis starts with a sharp question, not a spreadsheet. Here is how to turn a vague request into a clear question, the right metric, and a hypothesis the data can actually test.
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The Analyst Toolkit and a Skills Roadmap for Beginners (Data Analyst Series, Part 2)
The four tools a data analyst actually uses, spreadsheets, SQL, a BI tool, and Python, and the order to learn them in so you become employable in a few months.
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What a Data Analyst Really Does, vs Data Scientist and Data Engineer (Data Analyst Series, Part 1)
A plain, beginner-friendly breakdown of what a data analyst actually does day to day, how the job differs from data scientist and data engineer, and what the three roles pay.
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Customize Your Shell Environment: bashrc, Aliases, and PATH (Linux for Beginners, Part 23)
Your alias works in the terminal but not in cron because the shell reads different startup files depending on how it launched. Login vs non-login, .bashrc, aliases, PATH, and the prompt.
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Grow Storage With LVM Logical Volumes (Linux for Beginners, Part 22)
Fixed partitions are rigid; LVM puts a flexible layer between disks and filesystems so you can grow a full volume onto a new disk with no downtime. PVs, VGs, LVs, and snapshots.
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Backups With rsync and tar, Done Right (Linux for Beginners, Part 21)
Making copies is easy; making copies you can restore from is the skill. rsync and tar, the trailing-slash trap, space-smart snapshots, and why an untested backup is not a backup.
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Text Processing in Linux With grep, sed, and awk (Linux for Beginners, Part 20)
Turning a mountain of text into one clear answer is the work an admin does most. grep finds lines, sed changes them, awk works in columns, and a few helpers finish the job.
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Landing Your First Linux Job: Certs, Interviews, and Your First Role (Linux for Beginners, Part 24)
Nobody is hired for reciting commands. Which Linux certifications are worth it, what interviews actually test, how to survive your first 90 days, and a seven-day plan to start now.
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About the Author
Dr Pranay Jha
Dr. Pranay Jha is a Cloud and AI Consultant with 18+ years of experience in hybrid cloud, virtualization, and enterprise infrastructure transformation. He specializes in VMware technologies, multi-cloud strategy, and Generative AI solutions. He holds a PhD in Computer Applications with research focused on Cloud and AI, has published multiple research papers, and has been a VMware vExpert since 2016 and a VMUG Community Leader.
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