Data Modeling & Schema
Database concepts
Mapping Entities and Datatypes
SQL Basics & Querying
What is a Database?
100

What is the term for a blueprint that defines how data is structured in a database?

What is a schema?

100

This is a structured collection of data stored electronically in a computer system.

What is a database?

100

This term refers to a basic unit of data in a database, often represented as a column in a table.


What is an attribute?

100

This command retrieves data from the database

What is select?

100

What is a structured collection of data that is stored and managed electronically?

What is a database?

200

In a relational database, what type of key uniquely identifies each record in a table?



What is a primary key?

200

This language is used to manage and manipulate databases.

What is SQL?

200

This term refers to a collection of related attributes that describe a single entity in a database, typically represented as a row in a table.




What is a record?

200

This clause is used in a select statement to filter the output based on conditions

What is where?

200

What type of database organizes data into tables with rows and columns?

What is a relational database?

300

What is the process of organizing a database to reduce redundancy and improve integrity? 

What is normalization?

300

This type of database stores data in rows and columns.

What is a relational database?

300

In relational databases, this term represents a set of related data, typically structured as rows and columns, and is used to store instances of entities.


What is a table?

300

This clause is used in a select system to SORT the queries items


What is Order by?

300

What language is commonly used to query and manage relational databases?

What is SQL?

400

In a ER diagram, what symbol typically represents an entity?

What is a rectangle?

400

This term refers to a unique identifier for a record in a relational database table.

What is a primary key?

400

This entity relationship model term is used to describe a relationship where an entity is associated with more than one other entity, often represented with a foreign key.


What is a one-to-many relationship?

400

What type of join only retrieves data that has matching values in both tables


What is inner join?

400

What type of database is designed to store and retrieve data as key-value pairs, documents, or graphs instead of tables?

What is a NoSQL database?

500

In a relational database, what type of key is used to establish a relationship between two tables?

What is a foreign Key?

500

This process ensures that changes to a database are performed in a safe, reliable, and consistent manner.

What is a transaction?

500

This data type in relational databases is used to store text-based data, often with varying lengths and sometimes defined with character limits.


What is a string or varchar data type?

500

This sql command adds a new row into a table


What is Insert Into?

500

What database management system (DBMS) is open-source and widely used for web applications, originally developed by Oracle Corporation?

What is MySQL?

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