Database Query
Database Query is a request for information or data from a database. It is a fundamental operation in the database management system, where we used to retrieve, manipulate, and analyze data stored in a database. Most database management systems use SQL(Structured Query Language) to interact with databases. It allows users to perform operations on databases including insertion, deletion, update, and more.
Example:
SELECT first_name, last_name FROM emplyees WHERE department = ‘sales’ ORDER BY last_name
Information Search and Visualization in HCI
Information search and visualization are two important components of the data management process and extract meaningful insights. Effective Information Search and visualization go simultaneously, as searching for relevant data is the first step and visualization helps in understanding the results in a meaningful way.
Important Topics for Information Search and Visualization
- Database Query
- Five Phase frameworks of the User Interface for Textual Search
- Multimedia Document Searches
- Information Visualization
- Advance Filtering Procedures
- Hypertext and Hypermedia
- Object Action Interface Model for Website Design
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