How to connect Postgresql with vscode

Summary

This video tutorial demonstrates how to connect PostgreSQL with Visual Studio Code efficiently. It guides users through installing the PostgreSQL extension, configuring the server name, user credentials, and port number, and then connecting to the database. The instructor shows how to view tables, run simple queries, and retrieve records, such as selecting data from a 'country' table. The video highlights the extension's ease of use and performance, while recommending tools for the best experience. The tutorial concludes with a brief evaluation of other available extensions for PostgreSQL.

Takeaways

• 💻 Installing the PostgreSQL extension in Visual Studio Code is recommended for database management.
• 🔍 The PostgreSQL extension has a 4.5-star rating, which reflects its reliability.
• 📥 To install the extension, click on the extension icon in Visual Studio Code and search for PostgreSQL.
• 🔐 The process of connecting to a database includes entering server details such as localhost, username (Postgres), and password.
• 🔢 The default port number for PostgreSQL is 5432.
• 🗄️ After connecting, the database and its tables (e.g., public schema, tables) are displayed.
• 📊 You can view the top 1000 rows of a table using a simple select statement like 'SELECT * FROM country'.
• 📝 Right-clicking on a table allows you to run queries and see the data.
• 🚫 The Microsoft version of the PostgreSQL extension is not highly recommended due to its low rating and limited features.
• 🎥 The video concludes with a simple tutorial on how to use PostgreSQL with Visual Studio Code, aiming to assist developers.

Q & A

What is the primary focus of the lecture?

The lecture focuses on how to connect to a PostgreSQL database using Visual Studio Code.

How do you install the necessary extension for PostgreSQL in Visual Studio Code?

To install the necessary PostgreSQL extension, open Visual Studio Code, click on the Extensions tab, search for 'PostgreSQL', and install the extension with a good rating (such as 4.5 stars).

Why is the specific extension being recommended in the lecture?

The recommended extension is chosen because it has a good rating (4.5 stars) and a significant number of installations, suggesting that it is reliable.

What steps are required to connect to a PostgreSQL database after installing the extension?

After installing the extension, click the 'plus' icon to add a new database connection, provide the server name (e.g., localhost), enter the PostgreSQL username and password, and specify the port number (usually 5432).

How can you verify the database connection in Visual Studio Code?

You can verify the connection by viewing the PostgreSQL server and its associated databases and tables listed under 'localhost' in the Visual Studio Code interface.

How do you select and view the records from a table in PostgreSQL using Visual Studio Code?

After establishing the connection, you can right-click on a table (such as 'country') and choose the option 'Select Top 1000' to view the first 1000 records from the table.

What SQL statement is used as an example to query data from the 'country' table?

The SQL statement used is: `SELECT * FROM country`.

What is the alternative PostgreSQL extension mentioned in the lecture, and why is it not recommended?

The alternative PostgreSQL extension from Microsoft is mentioned, but it is not recommended because it has only two stars, despite a good number of downloads.

Can you perform other types of queries after connecting to the PostgreSQL database?

Yes, after connecting to the PostgreSQL database, you can perform any type of SQL query, as demonstrated with the 'SELECT * FROM country' example.

What are the key benefits of using Visual Studio Code to manage PostgreSQL databases as discussed in the lecture?

The key benefits include a simple interface for managing databases, the ability to quickly view and query tables, and access to various PostgreSQL tools directly within Visual Studio Code.

Outlines

00:00

💻 Setting Up PostgreSQL in Visual Studio Code

The paragraph explains how to set up PostgreSQL with Visual Studio Code (VS Code). It starts by opening VS Code and navigating to the extensions section, where the user searches for a PostgreSQL-related extension. The tutorial highlights the selection of an extension with a 4.5-star rating and mentions the installation process. After installing, the paragraph describes configuring a new database connection by entering server details like localhost, username, and password, and confirms that PostgreSQL is ready to be used in VS Code.

🗂 Accessing Databases and Tables in PostgreSQL

This part focuses on connecting to a local PostgreSQL server in VS Code. It guides users through setting up the correct port number (5432) and demonstrates accessing a database. Once connected, the paragraph shows how to view available tables in the database and how to run a 'Select Top 1000' query to display table data in the editor. It emphasizes the ease of querying a PostgreSQL database within VS Code.

📝 Running SQL Queries and Viewing Results

The paragraph goes on to discuss executing simple SQL queries, specifically a 'SELECT * FROM country' query, within Visual Studio Code. It describes the process of writing and running queries, displaying the results of table records, and highlighting how easy it is to interact with the PostgreSQL database inside VS Code.

🔧 Choosing the Best PostgreSQL Tools for VS Code

The final section gives advice on which PostgreSQL tools or extensions to use with VS Code. It mentions another extension provided by Microsoft, but the author doesn't recommend it due to its lower rating despite having many downloads. The suggestion is to stick with the extension previously installed, which is more reliable. The video ends with a thank-you note, encouraging viewers to try the recommended tools.

Keywords

💡Visual Studio Code

Visual Studio Code is a lightweight but powerful source code editor developed by Microsoft. In the video, the speaker is using Visual Studio Code to connect to a PostgreSQL database, showing how extensions can facilitate database management directly within the code editor. This tool is central to the tutorial as it demonstrates how developers can streamline their workflow with integrated development environments (IDEs).

💡PostgreSQL

PostgreSQL is an open-source, object-relational database management system (DBMS). The speaker guides the audience through connecting to a PostgreSQL database using Visual Studio Code, providing instructions on how to input the necessary server information, user credentials, and port number to establish a connection. PostgreSQL is the focal point for database interaction in this video.

💡Extension

In the context of Visual Studio Code, an extension is a small software module that adds specific capabilities to the code editor. The speaker instructs viewers to install an extension to enable interaction with PostgreSQL databases. Extensions help customize Visual Studio Code to better suit the needs of developers, making it more versatile for different tasks.

💡PostgreSQL extension

This refers to the specific Visual Studio Code extension that allows users to connect to and manage PostgreSQL databases within the editor. The speaker emphasizes the importance of choosing a reliable extension by highlighting one that has a high rating (4.5 stars) and good installation metrics, while recommending against using alternatives with lower ratings.

💡Server name

A server name is the identifier of the database server that hosts the PostgreSQL instance. In the video, the speaker explains how to input 'localhost' as the server name when setting up a connection, signifying that the database is running on the local machine. This is essential for establishing communication between Visual Studio Code and the PostgreSQL database.

💡Localhost

Localhost is a hostname that refers to the local computer being used. In the tutorial, the speaker uses 'localhost' to signify that the PostgreSQL server is running on the same machine as Visual Studio Code. This concept is crucial for developers when connecting to databases hosted locally, as opposed to those hosted on external servers.

💡Port number 5432

Port number 5432 is the default communication port used by PostgreSQL. In the video, the speaker enters this port number during the connection setup process, explaining that this is the standard port for PostgreSQL servers. Correctly specifying the port number ensures that the client (Visual Studio Code) can communicate with the database server.

💡Database connection

A database connection is a link established between a client (in this case, Visual Studio Code) and a database (PostgreSQL) to allow data transactions. The video walks through the process of setting up a connection by entering the server name, user credentials, and other necessary information. Successful connections enable users to run queries and interact with the database.

💡Query

A query is a request for data or information from a database. In the video, the speaker demonstrates how to write a simple SQL query, such as 'SELECT * FROM country', to retrieve records from a table in the PostgreSQL database. Queries are the primary means of interacting with a database to view, update, or manipulate data.

💡Table

A table in a database is a structured collection of data organized into rows and columns. In the video, the speaker refers to the 'country' table within the PostgreSQL database and shows how to write queries to retrieve data from it. Understanding tables is essential for comprehending how databases store and organize data.

Highlights

Opening Visual Studio Code and accessing the extension tab to search for 'PostgreSQL'.

Selecting and installing a PostgreSQL extension with a good rating of 4.5 stars.

Connecting to the PostgreSQL server using localhost and entering the default user and password.

Using the default port number 5432 for PostgreSQL and extending the connection to the database.

Viewing available tables and selecting one to display the top 1000 records.

Executing a simple SQL query with 'SELECT * FROM country' to view data from the 'country' table.

Writing and running SQL queries directly within Visual Studio Code.

The user recommends an extension based on number of installations and rating but avoids others with poor ratings.

The steps mentioned provide a quick and efficient way to connect to PostgreSQL via Visual Studio Code.

Visual Studio Code extension 'PostgreSQL' is shown as a practical tool for database interaction.

The speaker demonstrates performing queries after connecting the PostgreSQL database to the code editor.

Recommendation against using other extensions with low ratings and limited feedback.

The user emphasizes the ease of query execution using this method inside Visual Studio Code.

The tutorial focuses on simplifying PostgreSQL connection steps for new users.

Ending the video with a brief conclusion and thanking the viewers for watching.

Transcripts

lecture I am going to discuss what how

to connect positively and square with vs

gold so opening the visual studio code

fast

so this place so you can see extension

is there click on the extension then

there you need to search post create

and you can see this is here 4.5 star is

still

and you can see the number of stars

so I'm going to install this one because

it has two not good number of

installation and could restart software

installation you can see there's the

icon that's created Square now after

that click on this plus so this plus so

you need to add

or the database so here first we need to

go the server name that is so killing

the localhost press enter

and here the user we need to give so

that is the post curious

and after that we need to give the

password of this one

and press enter 5432 that is good for

the port number

and

extender connection so the database so

database so that's the writing here post

case

that's come there and no that's fine and

now you can see this is come there

localhost here post case

public and there are two

or tables are there inside so here you

can see select the top thousand so now

top 1000 or record so that's a display

and after that when I start click then

you can perform any kind of query this

place

so now I'm going to write two simple

select statement and select

a start from

so we have the table called country so

let's write Here country that right

click then you can see it on query

option click on there then you can see

the table records inside whatever the

record inside the country table that's a

display so this is the most simplest way

we can here connect to or postcreate SQL

Visual Studio code now if I go on this

extension then you can see there is so

post query SQL that's also yeah that you

get so from the Microsoft but a number

of download is good but only two stories

there so I'm not going I'm not

recommending to use this one so you

should try this so

uh pancakes

or tools to connect postcard though

or Visual Studio code so I hope guys

this video is still helpful for you so

now this video it's over so thanks for

watching see you next to it thank you