Why is it necessary to connect to a database using Python?
To retrieve data (SELECT)
To add new data (INSERT)
To modify data (UPDATE)
To check in automated tests (e.g., "Is the user registered?")
Amina Bell
0.0000
Answer True or False:
MongoDB is an SQL-based system.
A table stores data in vectors.
The SQL language only works with NoSQL databases.
MySQL is used in web development.
Workbench is a command-line only tool.
Amina Bell Who can answer?
Henry Richardson Here are the answers:
MongoDB is an SQL-based system.
False – MongoDB is a NoSQL database that uses a document-oriented model, not SQL.
A table stores data in vectors.
False – A table stores data in rows and columns; "vectors" are more of a programming/mathematical concept.
The SQL language only works with NoSQL databases.
False – SQL is specifically designed for relational (SQL) databases, not NoSQL ones.
MySQL is used in web development.
True – MySQL is commonly used as a database in web development, often with PHP and other back-end technologies.
Amina Bell Once again, you're absolutely right!
Henry Richardson Thanks ✋ 🖐 👍
Answer True or False:
A database stores only images.
MySQL is a database.
The SELECT command deletes data.
A database is for a single user only.
PostgreSQL is a NoSQL database.
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Amina Bell ով պատասխանել էր ճիշտ էր ամեն ինչ պատասխանել, կարծումմ եմ ծրագրավորող է
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Amina Bell հա ու ճիշտ էր ամեն ինչը
David Rivera Save! 😇
Armenia, a captivating country where every corner has its unique story, harmoniously blending nature and culture. It is renowned for its historical landmarks, including ancient churches, fortresses, and sanctuaries like the Sevanavank Monastery or Khor Virap. In Armenia, every pure spring and flower carries a story, while every smile reflects the warmth of its people. This is a place where the spirit of the past continues to thrive in the present. Armenia is a world where, after visiting once, it becomes an unforgettable memory.
David Rivera Armenia is a Beautiful country
Amina Bell Yes of course
Armenia, a country that captivates everyone with its unparalleled beauty and history. The landscapes of this country blend the charm of mountains, peaks, and picturesque valleys. Landmarks such as Mount Ararat or the Geghard Monastery hold centuries-old stories. Armenian culture has grown over millennia, and the hospitable people are always ready to share their history. Armenia is a place where the past and present merge, creating a unique, warm, and welcoming atmosphere.
5. SQL Joins
As the final step, we add SQL joins.
6. Final Step – DB Connection and Teardown
When all operations are complete, we need to close the connection using the db_close method.
4. Testing Insert/Update/Read
After that, we create tests to ensure that the DB operations (insert, update, read) are working correctly.
