No Sql Databases
Data Inventory
Data Extraction
Data
Interactive Reports
Data Science
The Role of Data Analysts
Solutions
Customer Demographic Analysis Techniques 
Customer
Databases Internal databases containing customer information, often enriched with demographic data
...
Concepts The data sources can include
databases, data warehouses, the internet, and other sources
...
Data Inventory Description Data Source The origin of the data, such as
databases, spreadsheets, or external data feeds
...
Data Extraction Overview Data extraction involves collecting information from different sources, which can include
databases, websites, documents, and more
...Database Queries: Data can be extracted from databases using structured query language (
SQL) commands
...Octoparse Web Scraping User-friendly interface, cloud-based
Non-technical users Apache Nifi Data Integration Real-time data flows, drag-and-drop interface Complex data workflows
...
Data categorized into several types based on its nature and usage: Structured Data: Organized data that is easily searchable in
databases ...Examples include spreadsheets and
SQL databases
...Unstructured Data: Data that does
not have a predefined format, such as emails, social media posts, and multimedia files
...
Interactive Reports can manipulate data through filters, drill-downs, and other interactive tools, making it easier to uncover insights that are
not immediately apparent in static reports
...Database Management Systems:
SQL databases and NoSQL databases are essential for storing and retrieving data
...
Data Science SQL Language for managing and querying relational databases
...Key Components of Data Science Data Collection: Gathering data from various sources such as
databases, APIs, and web scraping
...
The Role of Data Analysts Their primary responsibilities include: Data Collection: Gathering data from various sources, including
databases, surveys, and external datasets
...Programming Skills Proficiency in programming languages such as Python, R, or
SQL for data manipulation and analysis
...Communication Skills Effective communication to convey complex data insights to
non-technical stakeholders
...
Solutions Clustering, classification, association rule mining
SQL Databases Structured query language databases for data management
...
How to Choose Data Analysis Tools Some tools require advanced knowledge, while others are designed for
non-technical users
...Integration: Look for tools that can easily integrate with your existing systems and
databases ...
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