How to create a database when using Django to construct a website

Protinx 2021-11-25 09:40:43
create database using django construct

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Knowledge explanation

remarks :

We call modifying a database migration database . Execute the command for the first time migrate when , Will let Django Make sure that the database matches the item The current state of the destination matches . In the use of SQLite( More details on ) When this command is first executed in a new project , Django A new database will be created . Here ,Django Indicate that it will create the necessary database tables , For storage, we'll be here A project (Synchronize unmigrated apps, Synchronize non migrated applications ) Information used in , Then ensure that the database is closed Construct with current code (Apply all migrations, Apply all migrations ) matching . We ran the command dir, Its output indicates Django Created another file ——db.sqlite3.SQLite yes A database that uses a single file , Ideal for writing simple applications , Because it allows you not to pay too much attention to database management . 


Knowledge explanation

Django Store most of the information related to the project in the database , So we need to create one for Django send Database used . For the project “ Learning notes ” Create database , Please perform the following... While in the active virtual environment The order of :

python manage.py migrate

Then the following page appears :

Run the command again :

dir

  The result is the following page :

remarks :

We call modifying a database migration database . Execute the command for the first time migrate when , Will let Django Make sure that the database matches the item The current state of the destination matches . In the use of SQLite( More details on ) When this command is first executed in a new project , Django A new database will be created . Here ,Django Indicate that it will create the necessary database tables , For storage, we'll be here A project (Synchronize unmigrated apps, Synchronize non migrated applications ) Information used in , Then ensure that the database is closed Construct with current code (Apply all migrations, Apply all migrations ) matching . We ran the command dir, Its output indicates Django Created another file ——db.sqlite3.SQLite yes A database that uses a single file , Ideal for writing simple applications , Because it allows you not to pay too much attention to database management . 

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