Tech Skills

Data Analytics & Business Intelligence

Excel, SQL, Power BI, Tableau — turn raw data into business decisions

26,830
lessons
Skills in this topic
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Data Literacy
beginner
Write SELECT queries with JOIN and GROUP BY
Excel & Spreadsheets
beginner
Build a dynamic dashboard with pivot tables and slicers
SQL Analytics
intermediate
Write window functions (ROW_NUMBER, LAG, LEAD)
BI Tools
intermediate
Build an interactive dashboard from a SQL source
Python for Data
intermediate
Clean and transform a messy dataset with pandas
Data Storytelling
intermediate
Build a stakeholder dashboard with a narrative structure
ML for Analytics
advanced
Build a churn prediction model
All Reads (14,088) Articles (6203)Blog Posts (6239)Tutorials (716)Research Papers (64)News (866)
German-Japanese researchers invent electricity-free tech that could cool datacenters
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 15h ago
German-Japanese researchers invent electricity-free tech that could cool datacenters
How come that super-smart AI of yours didn't figure this out, frontier labs?
AWS buys DuckLabs, the people behind the popular in-process OLAP database
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2d ago
AWS buys DuckLabs, the people behind the popular in-process OLAP database
Cloud giant expresses love for DuckDB by buying its main support and development company
London still dominates Britain's datacenter map, but the regions are powering up
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2w ago
London still dominates Britain's datacenter map, but the regions are powering up
The capital holds two-thirds of capacity, while multimegawatt projects gather beyond the M25
Reddit r/artificial 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2w ago
If you're genuinely concerned about data centers' water consumption, do you also consider the water footprint of the food you eat?
I keep seeing people on Reddit criticizing AI and data centers because of how much water they use. I think the concern is legitimate, but I also think there's a
Hacker News · poly2it 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3w ago
Making Postgres 300x faster for analytics: batching, operator fusion, and SIMD
Making Postgres 300x faster for analytics: batching, operator fusion, and SIMD. 145 comments, 291 points on Hacker News.
Omowonuola Akintola wants Africa to build its geospatial future
TechCabal 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3w ago
Omowonuola Akintola wants Africa to build its geospatial future
An unmapped village. A community overlooked for development. A disaster response slowed by missing data. Those are the kinds of problems Omowonuola Akintola has
The Verge 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3w ago
Texas says data centers must pass an audit before connecting to the grid
Texas announced new a audit on data centers that could slow approval for new facilities seeking to connect to the state energy grid. Governor Greg Abbott (R) on
NHS England admits its paperwork hid that Palantir staff can see identifiable patient data
The Next Web AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 4w ago
NHS England admits its paperwork hid that Palantir staff can see identifiable patient data
NHS England has admitted that a key data-protection document misstated who could see patients’ medical records. It did not disclose the whole arrangement. Staff
From individual achievement to partner impact
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 4w ago
From individual achievement to partner impact
PARTNER CONTENT: Databricks survey data suggests certified professionals lift partner delivery capacity, customer credibility, and AI readiness well beyond the
After rewriting SQLite in Rust, Turso turns its sights on Postgres
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
After rewriting SQLite in Rust, Turso turns its sights on Postgres
Cloud database upstart wants one virtual machine core to power multiple SQL frontends
NHS England rapped over inaccurate Palantir patient data disclosure
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
NHS England rapped over inaccurate Palantir patient data disclosure
Privacy guardian warns public trust quickly erodes when supplier access comes as a surprise
TechCrunch AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
Data centers may face temporary power cuts to prevent blackouts on largest US grid
The largest grid operator in the U.S. says it will cut power to large data centers to prevent blackouts starting next year.
AI has changed data architecture, but storage hasn't caught up
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
AI has changed data architecture, but storage hasn't caught up
SPONSORED FEATURE: AI's hunger for data outstrips storage smarts, leaving GPUs famished
Nigeria’s biggest tax reform turns business invoices into real-time economic data
TechCabal 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
Nigeria’s biggest tax reform turns business invoices into real-time economic data
For decades, Nigeria's tax authority relied on companies to report their sales months after transactions had taken place. Now it wants to monitor business activ
Stats watchdog prescribes stronger caveats for NHS Palantir claims
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
Stats watchdog prescribes stronger caveats for NHS Palantir claims
Health service told to ensure ministers don't mistake before-and-after comparisons for cause and effect
TechCrunch AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
Data centers expected to use 4x more electricity by 2035
New data centers built through 2033 could consume as much electricity as India uses today.
The biggest data-centre deal in history just closed, then got $5bn bigger
The Next Web AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
The biggest data-centre deal in history just closed, then got $5bn bigger
On Tuesday, a group of the world’s most powerful investors finished buying a company most people have never heard of. The price tag explains why it matters. The
Kevin O’Leary says data centres use less water than golf courses. The numbers are more complicated.
The Next Web AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
Kevin O’Leary says data centres use less water than golf courses. The numbers are more complicated.
Kevin O’Leary is making the golf course argument again. The “Shark Tank” investor, whose 40,000-acre Stratos data centre project in Utah sparked protests and a
The Verge 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
New York becomes the first state to enact a data center moratorium
New hyperscale data centers can't set up shop in New York for up to a year now that Governor Kathy Hochul (D) has signed the nation's first statewide moratorium
Excel competition goes extreme, makes spreadsheet geeks compete from the street
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
Excel competition goes extreme, makes spreadsheet geeks compete from the street
Defending world champ Diarmuid Early wins again despite being forced to solve puzzles outdoors
Ireland's data centers consumed nearly as much electricity as every home in the country combined in 2025 - server farms gulped 23% of national power despite years of grid restrictions
Reddit r/artificial 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
Ireland's data centers consumed nearly as much electricity as every home in the country combined in 2025 - server farms gulped 23% of national power despite years of grid restrictions
<img src="https://external-preview.redd.it/EbuV2tISawElcwhP9BLUe-ymx-psM9Q8ZP-8m_LYVj0.jpeg?width=640&crop=smart&auto=webp&s=daaf08d1b526e9d7a21eda3
Irish datacenters now guzzle 23% of the country's electricity
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
Irish datacenters now guzzle 23% of the country's electricity
Consumption rose another 10% while restrictions on most new grid connections remained around Dublin
Rubrik pledges more than $500m for the UK and makes London its European base
The Next Web AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
Rubrik pledges more than $500m for the UK and makes London its European base
Rubrik, the US data-security company, said it will invest more than $500m in Britain over the next five years and make London its headquarters for Europe, the M
Meta to build C$13 billion Alberta data centre, its first in Canada
The Next Web AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
Meta to build C$13 billion Alberta data centre, its first in Canada
Meta will build its first data centre in Canada, a 1-gigawatt campus in central Alberta that the company values at C$13 billion (about US$9 billion), extending
NHS told to show its working on Palantir platform benefits
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
NHS told to show its working on Palantir platform benefits
Campaigners say ministers repeated claims about FDP despite an admission that the data does not prove cause and effect
Nigeria’s data centres face major test under CBN’s local hosting mandate
TechCabal 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
Nigeria’s data centres face major test under CBN’s local hosting mandate
By January 1, 2027, banks, fintechs, and payment processors must stop storing transaction records on foreign cloud infrastructure and move them to data centres
ORBIS
Reddit r/artificial 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
ORBIS
The world is not lacking information. It is drowning in fragments. Markets move. Governments shift. Conflicts evolve. Supply chains fracture. Policy changes rip
Databricks unifies OLTP and OLAP, depending on what counts as a copy
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
Databricks unifies OLTP and OLAP, depending on what counts as a copy
LTAP architecture does some clever engineering beneath a debatable marketing pitch
Ford’s Q2 US sales fell 10.3% as EV sales dropped 40.7% and an aluminium shortage hit F-Series trucks
The Next Web AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
Ford’s Q2 US sales fell 10.3% as EV sales dropped 40.7% and an aluminium shortage hit F-Series trucks
Ford reported a 10.3% decline in US new vehicle sales for the second quarter, selling 549,200 vehicles compared with 612,095 a year earlier. Pure EV sales plung
BYD and Xiaomi shares surge after June delivery numbers show momentum holding
The Next Web AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
BYD and Xiaomi shares surge after June delivery numbers show momentum holding
Hong Kong-listed shares of Chinese EV makers surged on Thursday after June delivery figures beat expectations. BYD gained around 9% and Xiaomi climbed about 5%.
TechCrunch AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
Anthropic’s Claude Science bets on workflow, not a new model, to win over scientists
Anthropic's Claude Science is a workbench that gives scientists one environment to do computational research, saving them from the need to bounce between databa
Reddit r/artificial 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1mo ago
Before I needed it, no one told me that "legacy tape management" was an entire industry.
We inherited roughly 6,000 LTO tapes from a business we bought last year. There was no documentation, no drives that could read half of them, multiple generatio
Microsoft to assist European Commission in defense of EU-US data-sharing agreement
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
Microsoft to assist European Commission in defense of EU-US data-sharing agreement
Court says Redmond can file briefs, take part in hearings amid challenge to the current path Big Tech's data spice uses to legally flow
Inside Africa’s tech layoffs: What the data says (2023–2026)
TechCabal 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
Inside Africa’s tech layoffs: What the data says (2023–2026)
Between January 2023 and March 2026, at least 56 layoff events swept through Africa's tech ecosystem. The data, compiled by TechCabal Insights, cuts through the
Datacenters dip a toe back into waterborne computing despite obvious challenges
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
Datacenters dip a toe back into waterborne computing despite obvious challenges
Floating or sub-surface bit barns are all the rage, but unlikely to compete with multi-gigawatt sites
Reddit r/artificial 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
Utah Data Center Brute Forced Through to Approval Despite Widespread Popular Opposition
A data center was forced through government approval in Utah despite the citizens widely opposing its impact on scarce water resources and numerous other object
Reddit r/artificial 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
[OC] I mapped AI exposure across China's 362 million workers using ILO data, and the biggest risk isn't where most people expect
I was looking at China's 2025 workforce data and one thing surprised me. The country's largest occupational group isn't professionals or factory workers. It's c
UK.gov links up with LinkedIn for jobs market intel from 40M accounts
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
UK.gov links up with LinkedIn for jobs market intel from 40M accounts
What anonymized data taught me about B2B sales... and reliance on the private sector for statistical info
NHS Palantir claims face scrutiny after data suggests uneven results
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
NHS Palantir claims face scrutiny after data suggests uneven results
Campaign group says FOI figures show some trusts carried out fewer procedures than before
SQL Server may be too lucrative for Microsoft to ditch, but too legacy to love
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
SQL Server may be too lucrative for Microsoft to ditch, but too legacy to love
Analysts say Redmond still has billions of reasons to keep backing its flagship DBMS, even as Azure, Postgres, and AI hog the spotlight
France’s intelligence service is dropping Palantir for a homegrown rival
The Next Web AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
France’s intelligence service is dropping Palantir for a homegrown rival
France’s domestic intelligence agency is dropping Palantir. The DGSI will replace the American firm’s data-analysis tools with software from ChapsVision, a Fren
Reddit r/artificial 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
Aide dans mon travail
Bonjour je travail beaucoup sur du data cleansing au travail ce qui est assez long je dois exporter des sap pour mettre en forme et croiser la donnes sur de lar
Palantir's NHS data deal called in for a second opinion
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
Palantir's NHS data deal called in for a second opinion
Experts welcome contract review after claims NHS England missed chance to grow UK health tech market
Reddit r/artificial 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
Found this interesting resource on Data Centers in the US. Shows tax incentives on the map too. Fairly neutral on positioning. Does anyone know what Beaumont and Sheridan is?
I came across this website when I was trying to figure out how real the complaints to data center opposition are. Has anyone seen this site before? I can't figu
ZDNet 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
The wearable health boom is creating a data overload for doctors - what happens next
Patients have never had more information about their health, but much of it is unusable. Here's why.
Cost per sample? Try cost per attempt
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
Cost per sample? Try cost per attempt
PARTNER CONTENT Your genomics pipeline is probably failing 30% of the time and you're paying for all of it
The Verge 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
Amazon’s data centers used 2.5 billion gallons of water last year
Just after Seattle enacted a one-year data center moratorium that some of Amazon's own employees pushed for, Amazon shared how much water its data centers use,
Datacenter growth may run into a power wall by 2030
The Register 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago
Datacenter growth may run into a power wall by 2030
Grid operators could struggle to support new bit barn construction