data

OLAP (Online Analytical Processing)

OLAP (Online Analytical Processing)

OLAP (Online Analytical Processing) is a technology that enables analysts to extract and query data interactively from multidimensional data warehouses. It provides a way to analyze complex datasets for decision-making, typically in business intelligence (BI) applications. Definition of OLAP OLAP is a system for organizing large business databases and supporting complex analysis. Unlike OLTP (Online Transaction Processing), which focuses on fast, real-time transactional operations, OLAP emphasizes analytical operations such as summarizing, aggregating, and comparing data across multiple dimensions. Core Concept of OLAP At its core, OLAP uses a multidimensional data model, often referred to as a "cube." This cube allows…
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The Benefits of MedOne and VMware: A Cloud Solution Built for the Future

The Benefits of MedOne and VMware: A Cloud Solution Built for the Future

By partnering with VMware, MedOne is able to offer businesses advanced virtualization and cloud management capabilities that help them better manage their IT resources and ensure business continuity. Here are the key benefits of the MedOne and VMware collaboration: 1.Seamless Virtualization with VMware vSphereOne of the biggest advantages of the MedOne and VMware partnership is the ability to offer VMware vSphere, one of the most trusted virtualization platforms in the industry. With vSphere, businesses can consolidate their physical servers into a more efficient virtualized environment, reducing hardware costs and simplifying IT management. MedOne’s cloud infrastructure enhances this by offering secure…
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Is there an Alternative to Debezium + Kafka?

Is there an Alternative to Debezium + Kafka?

I asked this question on Reddit a while back and received lots of valuable answers. Therefore, I've looked into each answer and documented the results in this article. TL;DR No, Debezium dominates the market at the moment, despite some drawbacks. Background Explanation Why would we want to find an alternative to Debezium? The main reason is we encountered a challenging scenario. This is a typical scenario for Debezium, where any modifications to the data source are captured and fed into Kafka for downstream processing. The advantage of this architecture is simple and efficient, ensuring all downstream processes are as real-time…
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Turns out Redbox’s derelict kiosks are a big red security risk

Turns out Redbox’s derelict kiosks are a big red security risk

It’s only been three months since the implosion of Redbox, but the company’s familiar red kiosks could become a security nightmare as they’re to the highest bidders. reports at least one owner of a defunct DVD and Blu-ray dispenser found a way to obtain customers’ private information from an encrypted file on the machine, which contained more than just one person’s penchant for the Trolls franchise. The database also contained sensitive data like personal emails and home addresses.On Mastodon, programmer Foone Turing, a self-described collector of weird things, said she cracked the encrypted files from a Redbox machine and matched…
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Data breach of Fidelity leaks 77,000 customers’ personal data

Data breach of Fidelity leaks 77,000 customers’ personal data

Another breach of a huge financial institution has leaked the personal information of thousands of customers to the public. reported that an unidentified hacker obtained 77,009 customers’ personal data from the asset management firm Fidelity Investments. posted yesterday revealed that the unidentified third party obtained the information in mid-August using two phony customer accounts. It’s not yet known how these accounts were used to access customer data. Fidelity said in a letter to its customers that it discovered the breach on August 19. The letter also said that the unidentified party did not access customers’ Fidelity accounts but after Fidelity…
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Unlock 6-Figure Data Science Career in 4 Proven Steps

Unlock 6-Figure Data Science Career in 4 Proven Steps

In today's data-driven era, businesses are hungry for valuable insights from their vast data reserves. Consequently, the demand for data scientists has soared, making them a vital component of corporate strategy. This surge in demand has paved the way for an exciting career path in data science, with opportunities to progress from junior to senior levels, including principal data scientist and director, in just a few years. If you're new to data science and aspire to reach the top, it's crucial to understand the career progression and the skills required to succeed. According to computerstechnicians, a well-planned approach can help…
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EU court rules social networks can’t use personal data forever

EU court rules social networks can’t use personal data forever

Once again, the European Union has issued a ruling preventing Meta from going too crazy with user information. The top court in the EU ruled that limits must be put in place for how long Meta and other social media networks can use people’s information for ad targeting strategies. reported that the EU’s highest court sided with an earlier opinion published in April by a court adviser. The previous ruling also urged for limits on the amount of time companies could retain customers’ personal data for the purpose of targeting advertising.The rulings referred its retention guidelines to the bloc’s established…
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This Startup Wants YouTube Creators to Get Paid for AI Training Data

This Startup Wants YouTube Creators to Get Paid for AI Training Data

So far, when AI companies have trained on YouTube’s invaluable stash of videos, captions, and other content, they’ve done so without permission. An AI-focused content licensing startup called Calliope Networks is hoping to change that with its new “License to Scrape,” a program aimed directly at YouTube stars.“There's obvious demand from AI companies to scrape YouTube content. We see that by their actions. So what we're trying to do is to create a tool that makes it legal and simple for them,” says Calliope Networks CEO Dave Davis. Unlike other big social platforms, like Reddit, YouTube hasn’t struck deals with…
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Introduction to gen_data

Introduction to gen_data

Introduction gen_data is a convinient tool support generating CSV test data file.It can be used to generate a very big data file for testing purpose. usage: gen_data [-h] -r ROWS [-c COLUMNS] [-t TITLES] csvfile Generate CSV file with specfied number of rows, and column types. positional arguments: csvfile options: -h, --help show this help message and exit -r ROWS, --rows ROWS number of rows -c COLUMNS, --columns COLUMNS List of colume type, in this format: "t t t:n ..." Where t is type (number), n is column length. -t TITLES, --titles TITLES List of column titles List of supported…
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Americans used 100 trillion megabytes of wireless data last year

Americans used 100 trillion megabytes of wireless data last year

Americans utilized more wireless data last year than ever before, using over 100 trillion megabytes throughout 2023, Reuters reports. This record number represented a 36 percent or 26 trillion MB boost from 2022, according to an industry survey. The number of wireless connections also grew in 2023 to 558 million — a six percent jump over 2022.Interestingly, these increases were fuelled more by new advancements than traditional outlets. Americans spent about 100 billion fewer minutes talking on the phone than the year prior and maintained a similar amount of text messaging. Instead, technology such as drones, space missions, self-driving vehicles…
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