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Questions and Answers
What term is used for a complete set of information in a database?
What term is used for a complete set of information in a database?
What is a field in the context of a database?
What is a field in the context of a database?
Which term is used to refer to a simple type of database that stores data in columns and rows?
Which term is used to refer to a simple type of database that stores data in columns and rows?
Where are the contacts in a mobile phone typically stored?
Where are the contacts in a mobile phone typically stored?
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What term is used to describe the structure that all the data stored in a database fits into?
What term is used to describe the structure that all the data stored in a database fits into?
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Which term refers to a collection of fields in a database?
Which term refers to a collection of fields in a database?
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What is the term used for a group of records in a relational database model?
What is the term used for a group of records in a relational database model?
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Which term is used to represent the raw data in numeric, character, alphanumeric, or alphabetic form in a database?
Which term is used to represent the raw data in numeric, character, alphanumeric, or alphabetic form in a database?
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What is the identifier in a table that uniquely identifies a row?
What is the identifier in a table that uniquely identifies a row?
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In a relational database model, what holds the information of an item or object?
In a relational database model, what holds the information of an item or object?
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What is the term used for a single identifier or multiple identifiers that uniquely identify a row in a table?
What is the term used for a single identifier or multiple identifiers that uniquely identify a row in a table?
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In the context of a relational database model, what represents a group of data for related fields?
In the context of a relational database model, what represents a group of data for related fields?
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What is the term used for the group of records in a relational database model that is made up of rows and columns?
What is the term used for the group of records in a relational database model that is made up of rows and columns?
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In the context of relational database model, what holds the information of an item or object?
In the context of relational database model, what holds the information of an item or object?
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Which term refers to the representation of raw data in numeric, character, alphanumeric, or alphabetic form in a database?
Which term refers to the representation of raw data in numeric, character, alphanumeric, or alphabetic form in a database?
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What term is used for an identifier in a table that uniquely identifies a row?
What term is used for an identifier in a table that uniquely identifies a row?
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Study Notes
Database Concepts
- Complete set of information in a database: Term used is "database."
- Field in a database: Represents a single piece of information within a record, often corresponds to a column in a table.
- Simple type of database: Known as a "flat file database," organizes data in columns and rows.
- Contacts in a mobile phone: Typically stored in a "contact list" or "address book" within a database or app.
- Structure for stored data in a database: Referred to as a "schema," which defines how data is organized.
- Collection of fields in a database: Known as a "record," which represents a single entry in a database.
- Group of records in a relational database model: Term used is "table," where records are organized into rows.
- Raw data representation in databases: Represented as "data types," including numeric, character, alphanumeric, or alphabetic form.
- Unique identifier for a row in a table: Called a "primary key," ensuring each record is uniquely identifiable.
- Information holder of an item in relational databases: Typically referred to as an "entity," representing real-world objects or concepts.
- Unique identifiers for a row: Can be a "primary key" or "composite key" when multiple fields work together to provide uniqueness.
- Group of related fields in relational databases: Known as a "record," where multiple fields are connected and formatted together.
- Records in relational database model: Organized into "tables," comprising rows (records) and columns (fields).
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Description
Test your knowledge on the fundamentals of databases with this quiz. Learn about the importance of databases, their omnipresence in everyday tools and services, and their role in storing vast amounts of data for platforms like Facebook, Twitter, and Google.
