All the Database tutorials โคต๏ธ
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How to remove all items from a MongoDB collection
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How to insert multiple items at once in a MongoDB collection
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SQL Views
How to create views and interact with them in a SQL database
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SQL Joins
How to perform a simple join between two database tables
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SQL, how to delete data and tables
How to delete data from a SQL database table, and how to delete the table
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SQL, how to update a table structure
How to update a SQL database table structure
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SQL, how to update data
How to update data stored in a SQL database table
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SQL, Unique and Primary keys
How to create unique and primary keys in a SQL database
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SQL, Handling empty cells
How to handle null data in a SQL database
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SQL, how to use SELECT
How to get data from a SQL database table
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SQL, adding data to a table
How to insert data in a SQL database table
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SQL, creating a table
How to create a table in a SQL database
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MySQL User Permissions
A quick introduction at User Permissions in a MySQL Database
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SQLite User Permissions
A quick introduction to user permissions in SQLite
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PostgreSQL vs MySQL, a comparison
A quick comparison between PostgreSQL and MySQL
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Creating a user on MySQL
A quick step by step guide at how to create a user on MySQL
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How to install MySQL on macOS
Step by step instructions to install MySQL on macOS using Homebrew
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How to list tables in the current database using PostgreSQL
A quick explanation of how to list tables in the current database inside the `psql` tool in PostgreSQL, or using SQL
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How to list all databases using PostgreSQL
A quick explanation of how to list all databases inside the `psql` tool in PostgreSQL, or using SQL
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How to switch database using PostgreSQL
A quick explanation of how to switch between databases inside the `psql` tool in PostgreSQL
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How to list all users in PostgreSQL
Find out how to get a list of all the users present in a PostgreSQL database, and their permissions
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PostgreSQL User Permissions
In this tutorial I will explain how to managing users and permissions in PostgreSQL.
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Introduction to PostgreSQL
A high level overview of the PostgreSQL database
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How to install SQLite on macOS
In this tutorial I want to explain what you need to do to install SQLite.
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Do you always need a database for your app?
Some thoughts on the need of a database. Maybe you need it, maybe not.
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How to install PostgreSQL on macOS
Instructions for installing the PostgreSQL DBMS
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Introduction to SQL
SQL (Structured Query Language) is a language we use to interact with a Data Base Management System (DBMS).
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What is a Database? And a DBMS?
The main properties of a database and of a DBMS.
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Relational Databases
Relational Databases are the software implementation of the concepts expressed by the theory introduced by the Relational Model.
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Relational Algebra
When working with the relational model, we have 2 groups of operations we can use. One of them is relational algebra.
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The Relational Model
The Relational Model is the most popular of the logic data models listed in the Data Models post, and it's at the basis of SQL databases.
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Introduction to the ER Data Model
A simple but comprehensive overview of the entity-relationship data model
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Data models
Data Models define how we give a structure to data, and how data is connected to other data.
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Information systems, data and information
The modern world is completely centered around information and data. What's the difference?
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How MongoDB is different from a SQL database
Generally speaking there are 2 major types of databases: SQL databases, and NoSQL databases
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The MongoDB basics tutorial
MongoDB is a database, the part of the application responsible for storing and retrieving information.