UNIT 1 Flashcards
(14 cards)
What is Data Management about
- Storing the right data
- Securing your data
- Keeping the data up-to-date
- Getting the answers you need
What is a key-value pair?
It’s a set of two linked data items
What is the key in a key-value pair?
The key is a unique identifier for some data or items
What is the value in a key-value pair
It’s the data that is identified or a pointer to the location of the data
What are some of the most popular Key-Value pair formats
- XML (Extensible Markup Language)
- JSON (JavaScript Object Notation)
What is a structure of a simple key value pair of
key: Name
value: Ryan
{
“Name”:”Ryan”
}
What is a Structured Database?
Section of elf describing collection of records
What is a relational database comprised of?
Has one or many tables
Their tables have:
- One or many attributes
- An attribute has one data type
What are columns referred to in a database
They’re called attributes
What are tables known as
Classes
What is a query
Used to search and/or manipulate the data in the table
What is a form
A user friendly way of inputting data into a database
What are reports
Formats data to be printed/read
What are rows known as?
Records
