Database Fundamentals Crossword Puzzle

QUESTIONS LIST:

• er model : a model used to design databases using entities, attributes, and relationships
• filesystem : a traditional method for storing data using folders and files
• super key : a set of one or more fields that uniquely identify a record, possibly with extra fields
• primary key : a unique field that identifies each record in a table
• union : an operation that combines rows from two tables and removes duplicates
• dbms : software used to manage structured data in a systematic and efficient way
• schema : a defined structure that outlines how data is organized in a database
• physical schema : describes how data is actually stored on hardware like disks
• hierarchical : a data model where records are arranged in a parent-child tree format
• candidate key : a possible field or set of fields that can act as a unique identifier
• select : an operation that picks rows from a table based on a condition
• redundancy : repeated data that may lead to inconsistency and wasted space