• Integrating from different sources
    Ingesting data from different website logs, call centers, enterprise apps, social media streams, email systems and webinars into a single repository and then transforming it into a unified format for analysis tools requires an investment into extract, transform, load (ETL) tools and data integration tools.
  • Governance
    Reassuring that records reconcile and are usable, accurate and secure is very much related to data integration: it’s not uncommon that pieces of information obtained from different systems don’t agree, for example sales figures from a company’s CRM system may be different than those recorded on their eCommerce platform.
  • Security
    Data gathered from external sources should not be assumed safe and in compliance with organizational standards. If security isn’t built in at an early stage of architecture planning, it’s almost impossible to “bolt-on” a comprehensive protection later. High-level Big Data security best practices include creating access and authentication policies, vetting cloud and technology providers as well as using encryption and threat intelligence to safeguard data in transit.
  • Organizational resistance, finding and keeping best Big Data talent
    Growing leaders and nurturing a culture inside the organization, hiring experts from IT consultancies and audit firms and investing into sufficient built-in AI and machine learning tools – Big Data impacting your revenue line requires rethinking business and reinventing organization.
  • Data embedded in every decision, interaction, and process
  • Data is processed and delivered in real time
  • Flexible data stores enable integrated, ready-to-use data
  • Data operating model treats data like a product
  • The chief data officer’s role is expanded to generate value
  • Data-ecosystem memberships are the norm
  • Data management is prioritized and automated for privacy, security, and resiliency
What is Big Data Analytics?
What’s the difference between Data Analytics and Big Data Analytics?
What data types are involved into Big Data Analytics?
  • Web data. Customer level web behavior data such as visits, page views, searches, purchases, etc.
  • Text data. Data generated from sources of text including email, news articles, Facebook feeds, Word documents, and more is one of the biggest and most widely used types of unstructured data.
  • Time and location, or geospatial data. GPS and cell phones, as well as Wi-Fi connections, make time and location information a growing source of interesting data. This can also include geographic data related to roads, buildings, lakes, addresses, people, workplaces, and transportation routes, which have been generated from geographic information systems.
  • Real-time media. Real-time data sources can include real-time streaming or event-based data.
  • Smart grid and sensor data. Sensor data from cars, oil pipelines, windmill turbines, and other sensors is often collected at extremely high frequency.
  • Social network data. Unstructured text (comments, likes, etc.) from social network sites like Facebook, LinkedIn, Instagram, etc. is growing. It is even possible to do link analysis to uncover the network of a given user.
  • Linked data: this type of data has been collected using standard Web technologies like HTTP, RDF, SPARQL, and URLs.
  • Network data. Data related to very large social networks, like Facebook and Twitter, or technological networks such as the Internet, telephone and transportation networks.
What is Database?
  • Structure: Relational databases use schemas and are best suited for structured data. They store data in tables and manage it using SQL (Structured Query Language).
  • Examples: MySQL, PostgreSQL, and Oracle.
  • Use Cases: Ideal for applications requiring structured data with predefined schemas, such as traditional business applications and data analysis.
  • Structure: Non-relational databases handle unstructured or semi-structured data and do not require a fixed schema. They can store data in various formats, including documents, key-value pairs, graphs, or wide columns.
  • Examples: MongoDB, Cassandra, and Redis.
  • Use Cases: Suitable for applications with flexible data models or when dealing with varied data formats and large volumes of data.
What is Data Warehouse?
What is Data Lake?
  • Flexible Storage: Data lakes can accommodate a wide range of data types, including logs, videos, images, and social media content. This flexibility supports advanced analytics, machine learning, and big data processing.
  • Cost-Effective: Storing data in a data lake is generally more economical than in a data warehouse, making it an attractive option for managing large volumes of data efficiently.
  • Schema-On-Read: Data lakes enable data scientists and analysts to process and transform data as needed, rather than requiring a predefined schema before data is ingested. This approach facilitates the creation of new data models and allows for more dynamic analysis.
  • Not a Replacement: While data lakes offer significant flexibility and cost benefits, they do not replace data warehouses or relational databases. Data lakes typically lack the performance, reporting capabilities, and ease of use provided by data warehouses.
  • Governance and Management: Effective use of a data lake requires robust governance and management practices to ensure data quality, security, and accessibility.

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